diff --git a/backend/library.c b/backend/library.c
index a6596989..f710274b 100644
--- a/backend/library.c
+++ b/backend/library.c
@@ -63,6 +63,7 @@ struct zint_symbol *ZBarcode_Create() {
     symbol->option_2 = 0;
     symbol->option_3 = 928; // PDF_MAX
     symbol->show_hrt = 1; // Show human readable text
+    symbol->fontsize = 8;
     symbol->input_mode = DATA_MODE;
     strcpy(symbol->primary, "");
     memset(&(symbol->encoded_data[0][0]), 0, sizeof (symbol->encoded_data));
diff --git a/backend/ps.c b/backend/ps.c
index bdfae1cc..cdf59cec 100644
--- a/backend/ps.c
+++ b/backend/ps.c
@@ -55,6 +55,7 @@ int ps_plot(struct zint_symbol *symbol) {
     float scaler = symbol->scale;
     float default_text_posn;
     const char *locale = NULL;
+    float fontsize = symbol->fontsize * scaler;
 #ifndef _MSC_VER
     unsigned char local_text[ustrlen(symbol->text) + 1];
 #else
@@ -518,7 +519,7 @@ int ps_plot(struct zint_symbol *symbol) {
                 }
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = 17;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
                 fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -532,7 +533,7 @@ int ps_plot(struct zint_symbol *symbol) {
                 textpart[4] = '\0';
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = 50;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
                 fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -545,7 +546,7 @@ int ps_plot(struct zint_symbol *symbol) {
                     case 2:
                         fprintf(feps, "matrix currentmatrix\n");
                         fprintf(feps, "/Helvetica findfont\n");
-                        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                         textpos = xoffset + 86;
                         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                         fprintf(feps, " (%s) stringwidth\n", addon);
@@ -557,7 +558,7 @@ int ps_plot(struct zint_symbol *symbol) {
                     case 5:
                         fprintf(feps, "matrix currentmatrix\n");
                         fprintf(feps, "/Helvetica findfont\n");
-                        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                         textpos = xoffset + 100;
                         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                         fprintf(feps, " (%s) stringwidth\n", addon);
@@ -595,7 +596,7 @@ int ps_plot(struct zint_symbol *symbol) {
                 }
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = -7;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
                 fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -609,7 +610,7 @@ int ps_plot(struct zint_symbol *symbol) {
                 textpart[6] = '\0';
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = 24;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
                 fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -623,7 +624,7 @@ int ps_plot(struct zint_symbol *symbol) {
                 textpart[6] = '\0';
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = 71;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
                 fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -636,7 +637,7 @@ int ps_plot(struct zint_symbol *symbol) {
                     case 2:
                         fprintf(feps, "matrix currentmatrix\n");
                         fprintf(feps, "/Helvetica findfont\n");
-                        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                         textpos = xoffset + 114;
                         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                         fprintf(feps, " (%s) stringwidth\n", addon);
@@ -648,7 +649,7 @@ int ps_plot(struct zint_symbol *symbol) {
                     case 5:
                         fprintf(feps, "matrix currentmatrix\n");
                         fprintf(feps, "/Helvetica findfont\n");
-                        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                         textpos = xoffset + 128;
                         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                         fprintf(feps, " (%s) stringwidth\n", addon);
@@ -719,7 +720,7 @@ int ps_plot(struct zint_symbol *symbol) {
         }
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", fontsize);
         textpos = -5;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -733,7 +734,7 @@ int ps_plot(struct zint_symbol *symbol) {
         textpart[5] = '\0';
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
         textpos = 27;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -747,7 +748,7 @@ int ps_plot(struct zint_symbol *symbol) {
         textpart[6] = '\0';
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
         textpos = 68;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -759,7 +760,7 @@ int ps_plot(struct zint_symbol *symbol) {
         textpart[1] = '\0';
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", fontsize);
         textpos = 100;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -772,7 +773,7 @@ int ps_plot(struct zint_symbol *symbol) {
             case 2:
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = xoffset + 116;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                 fprintf(feps, " (%s) stringwidth\n", addon);
@@ -784,7 +785,7 @@ int ps_plot(struct zint_symbol *symbol) {
             case 5:
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = xoffset + 130;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                 fprintf(feps, " (%s) stringwidth\n", addon);
@@ -817,7 +818,7 @@ int ps_plot(struct zint_symbol *symbol) {
         fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", fontsize);
         textpos = -5;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -831,7 +832,7 @@ int ps_plot(struct zint_symbol *symbol) {
         textpart[6] = '\0';
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
         textpos = 24;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -843,7 +844,7 @@ int ps_plot(struct zint_symbol *symbol) {
         textpart[1] = '\0';
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", fontsize);
         textpos = 55;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", textpart);
@@ -856,7 +857,7 @@ int ps_plot(struct zint_symbol *symbol) {
             case 2:
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = xoffset + 70;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                 fprintf(feps, " (%s) stringwidth\n", addon);
@@ -868,7 +869,7 @@ int ps_plot(struct zint_symbol *symbol) {
             case 5:
                 fprintf(feps, "matrix currentmatrix\n");
                 fprintf(feps, "/Helvetica findfont\n");
-                fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
+                fprintf(feps, "%.2f scalefont setfont\n", (11.0 / 8.0) * fontsize);
                 textpos = xoffset + 84;
                 fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
                 fprintf(feps, " (%s) stringwidth\n", addon);
@@ -947,7 +948,7 @@ int ps_plot(struct zint_symbol *symbol) {
         }
         fprintf(feps, "matrix currentmatrix\n");
         fprintf(feps, "/Helvetica findfont\n");
-        fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
+        fprintf(feps, "%.2f scalefont setfont\n", fontsize);
         textpos = symbol->width / 2.0;
         fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
         fprintf(feps, " (%s) stringwidth\n", local_text);
diff --git a/backend/svg.c b/backend/svg.c
index 2eb29025..15df31ae 100644
--- a/backend/svg.c
+++ b/backend/svg.c
@@ -55,6 +55,7 @@ int svg_plot(struct zint_symbol *symbol) {
     float scaler = symbol->scale;
     float default_text_posn;
     const char *locale = NULL;
+    float fontsize = symbol->fontsize * scaler;
 #ifndef _MSC_VER
     unsigned char local_text[ustrlen(symbol->text) + 1];
 #else
@@ -389,7 +390,7 @@ int svg_plot(struct zint_symbol *symbol) {
                 textpart[4] = '\0';
                 textpos = 17;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", textpart);
                 fprintf(fsvg, "      </text>\n");
                 for (i = 0; i < 4; i++) {
@@ -398,7 +399,7 @@ int svg_plot(struct zint_symbol *symbol) {
                 textpart[4] = '\0';
                 textpos = 50;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", textpart);
                 fprintf(fsvg, "      </text>\n");
                 textdone = 1;
@@ -406,14 +407,14 @@ int svg_plot(struct zint_symbol *symbol) {
                     case 2:
                         textpos = xoffset + 86;
                         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                         fprintf(fsvg, "         %s\n", addon);
                         fprintf(fsvg, "      </text>\n");
                         break;
                     case 5:
                         textpos = xoffset + 100;
                         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                         fprintf(fsvg, "         %s\n", addon);
                         fprintf(fsvg, "      </text>\n");
                         break;
@@ -433,7 +434,7 @@ int svg_plot(struct zint_symbol *symbol) {
                 textpart[1] = '\0';
                 textpos = -7;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", textpart);
                 fprintf(fsvg, "      </text>\n");
                 for (i = 0; i < 6; i++) {
@@ -442,7 +443,7 @@ int svg_plot(struct zint_symbol *symbol) {
                 textpart[6] = '\0';
                 textpos = 24;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", textpart);
                 fprintf(fsvg, "      </text>\n");
                 for (i = 0; i < 6; i++) {
@@ -451,7 +452,7 @@ int svg_plot(struct zint_symbol *symbol) {
                 textpart[6] = '\0';
                 textpos = 71;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", textpart);
                 fprintf(fsvg, "      </text>\n");
                 textdone = 1;
@@ -459,14 +460,14 @@ int svg_plot(struct zint_symbol *symbol) {
                     case 2:
                         textpos = xoffset + 114;
                         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                         fprintf(fsvg, "         %s\n", addon);
                         fprintf(fsvg, "      </text>\n");
                         break;
                     case 5:
                         textpos = xoffset + 128;
                         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                         fprintf(fsvg, "         %s\n", addon);
                         fprintf(fsvg, "      </text>\n");
                         break;
@@ -519,7 +520,7 @@ int svg_plot(struct zint_symbol *symbol) {
         textpart[1] = '\0';
         textpos = -5;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 8.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         for (i = 0; i < 5; i++) {
@@ -528,7 +529,7 @@ int svg_plot(struct zint_symbol *symbol) {
         textpart[5] = '\0';
         textpos = 27;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         for (i = 0; i < 5; i++) {
@@ -537,14 +538,14 @@ int svg_plot(struct zint_symbol *symbol) {
         textpart[6] = '\0';
         textpos = 68;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         textpart[0] = local_text[11];
         textpart[1] = '\0';
         textpos = 100;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 8.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         textdone = 1;
@@ -552,14 +553,14 @@ int svg_plot(struct zint_symbol *symbol) {
             case 2:
                 textpos = xoffset + 116;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", addon);
                 fprintf(fsvg, "      </text>\n");
                 break;
             case 5:
                 textpos = xoffset + 130;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", addon);
                 fprintf(fsvg, "      </text>\n");
                 break;
@@ -578,7 +579,7 @@ int svg_plot(struct zint_symbol *symbol) {
         textpart[1] = '\0';
         textpos = -5;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 8.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         for (i = 0; i < 6; i++) {
@@ -587,14 +588,14 @@ int svg_plot(struct zint_symbol *symbol) {
         textpart[6] = '\0';
         textpos = 24;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (11.0 / 8.0) * fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         textpart[0] = local_text[7];
         textpart[1] = '\0';
         textpos = 55;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 8.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", textpart);
         fprintf(fsvg, "      </text>\n");
         textdone = 1;
@@ -602,14 +603,14 @@ int svg_plot(struct zint_symbol *symbol) {
             case 2:
                 textpos = xoffset + 70;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (8.0 / 11.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", addon);
                 fprintf(fsvg, "      </text>\n");
                 break;
             case 5:
                 textpos = xoffset + 84;
                 fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
-                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
+                fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", (8.0 / 11.0) * fontsize, symbol->fgcolour);
                 fprintf(fsvg, "         %s\n", addon);
                 fprintf(fsvg, "      </text>\n");
                 break;
@@ -659,7 +660,7 @@ int svg_plot(struct zint_symbol *symbol) {
     if ((textdone == 0) && ustrlen(local_text)) {
         textpos = symbol->width / 2.0;
         fprintf(fsvg, "      <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", (textpos + xoffset) * scaler, default_text_posn);
-        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 8.0 * scaler, symbol->fgcolour);
+        fprintf(fsvg, "         font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", fontsize, symbol->fgcolour);
         fprintf(fsvg, "         %s\n", local_text);
         fprintf(fsvg, "      </text>\n");
     }
diff --git a/backend/zint.h b/backend/zint.h
index 8f526221..8593e795 100644
--- a/backend/zint.h
+++ b/backend/zint.h
@@ -81,6 +81,7 @@ extern "C" {
         int option_2;
         int option_3;
         int show_hrt;
+        int fontsize;
         int input_mode;
         int eci;
         unsigned char text[128];
diff --git a/frontend/main.c b/frontend/main.c
index 862647c6..186aa692 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -435,6 +435,7 @@ int main(int argc, char **argv) {
             {"eci", 1, 0, 0},
             {"filetype", 1, 0, 0},
             {"esc", 0, 0, 0},
+            {"fontsize", 1, 0, 0},
             {"verbose", 0, 0, 0}, // Currently undocumented, output some debug info
             {0, 0, 0, 0}
         };
@@ -639,6 +640,14 @@ int main(int argc, char **argv) {
                 if (!strcmp(long_options[option_index].name, "verbose")) {
                     my_symbol->debug = 1;
                 }
+                if (!strcmp(long_options[option_index].name, "fontsize")) {
+                    if ((atoi(optarg) >= 0) && (atoi(optarg) <= 100)) {
+                        my_symbol->fontsize = atoi(optarg);
+                    } else {
+                        fprintf(stderr, "Warning 125: Invalid font size\n");
+                        fflush(stderr);
+                    }
+                }
                 break;
 
             case 'h':