diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt
index 7a94fe1a..11f2dd82 100644
--- a/backend/CMakeLists.txt
+++ b/backend/CMakeLists.txt
@@ -7,7 +7,7 @@ find_package(PNG)
 set(zint_COMMON_SRCS common.c library.c render.c large.c reedsol.c gs1.c eci.c)
 set(zint_ONEDIM_SRCS code.c code128.c 2of5.c upcean.c telepen.c medical.c plessey.c rss.c)
 set(zint_POSTAL_SRCS postal.c auspost.c imail.c mailmark.c)
-set(zint_TWODIM_SRCS code16k.c codablock.c dmatrix.c pdf417.c qr.c maxicode.c composite.c aztec.c code49.c code1.c gridmtx.c hanxin.c dotcode.c)
+set(zint_TWODIM_SRCS code16k.c codablock.c dmatrix.c pdf417.c qr.c maxicode.c composite.c aztec.c code49.c code1.c gridmtx.c hanxin.c dotcode.c ultra.c)
 set(zint_OUTPUT_SRCS vector.c render.c ps.c svg.c emf.c bmp.c pcx.c gif.c png.c tif.c raster.c)
 set(zint_SRCS ${zint_OUTPUT_SRCS} ${zint_COMMON_SRCS} ${zint_ONEDIM_SRCS} ${zint_POSTAL_SRCS} ${zint_TWODIM_SRCS})
 
diff --git a/backend/library.c b/backend/library.c
index 42e8cc6c..e4b33f16 100644
--- a/backend/library.c
+++ b/backend/library.c
@@ -179,6 +179,7 @@ extern int qr_code(struct zint_symbol *symbol, const unsigned char source[], siz
 extern int dmatrix(struct zint_symbol *symbol, const unsigned char source[], const size_t in_length); /* Data Matrix (IEC16022) */
 extern int vin(struct zint_symbol *symbol, const unsigned char source[], const size_t in_length); /* VIN Code (Vehicle Identification Number) */
 extern int mailmark(struct zint_symbol *symbol, const unsigned char source[], const size_t in_length); /* Royal Mail 4-state Mailmark */
+extern int ultracode(struct zint_symbol *symbol, const unsigned char source[], const size_t in_length); /* Ultracode */
 
 extern int plot_raster(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to PNG/BMP/PCX */
 extern int plot_vector(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to EPS/EMF/SVG */
@@ -460,6 +461,7 @@ static int supports_eci(const int symbology) {
         case BARCODE_DOTCODE:
         case BARCODE_GRIDMATRIX:
         case BARCODE_HANXIN:
+        case BARCODE_ULTRA:
             result = 1;
             break;
     }
@@ -565,6 +567,7 @@ int ZBarcode_ValidID(int symbol_id) {
         case BARCODE_UPNQR:
         case BARCODE_VIN:
         case BARCODE_MAILMARK:
+        case BARCODE_ULTRA:
             result = 1;
             break;
     }
@@ -788,6 +791,8 @@ static int reduced_charset(struct zint_symbol *symbol, const unsigned char *sour
             break;
         case BARCODE_MAILMARK: error_number = mailmark(symbol, preprocessed, in_length);
             break;
+        case BARCODE_ULTRA: error_number = ultracode(symbol, preprocessed, in_length);
+            break;
     }
 
     return error_number;
@@ -1054,7 +1059,7 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
         }
     }
     /* Everything from 128 up is Zint-specific */
-    if (symbol->symbology >= 144) {
+    if (symbol->symbology >= 145) {
         strcpy(symbol->errtxt, "216: Symbology out of range, using Code 128");
         symbol->symbology = BARCODE_CODE128;
         error_number = ZINT_WARN_INVALID_OPTION;
diff --git a/backend/ultra.c b/backend/ultra.c
new file mode 100644
index 00000000..da5cfb38
--- /dev/null
+++ b/backend/ultra.c
@@ -0,0 +1,41 @@
+/*  ultra.c - Ultracode
+
+    libzint - the open source barcode library
+    Copyright (C) 2019 Robin Stuart <rstuart114@gmail.com>
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the name of the project nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "common.h"
+
+int ultracode(struct zint_symbol *symbol, const unsigned char source[], const size_t in_length) {
+
+
+    strcpy(symbol->errtxt, "1000: Ultracode has not been implemented - yet!");
+    return ZINT_ERROR_INVALID_OPTION;
+}
diff --git a/backend/zint.h b/backend/zint.h
index 830814a3..1886a1a7 100644
--- a/backend/zint.h
+++ b/backend/zint.h
@@ -241,6 +241,7 @@ extern "C" {
 #define BARCODE_CODEONE		141
 #define BARCODE_GRIDMATRIX	142
 #define BARCODE_UPNQR           143
+#define BARCODE_ULTRA       144
 
 // Output options
 #define BARCODE_NO_ASCII	1