diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt
index 0bc03a00..772b630d 100644
--- a/backend/CMakeLists.txt
+++ b/backend/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 project(zint)
 
-configure_file(zintconfig.h.in ../../backend/zintconfig.h)
+configure_file(zintconfig.h.in ${CMAKE_CURRENT_SOURCE_DIR}/zintconfig.h)
 
 set(zint_COMMON_SRCS common.c library.c large.c reedsol.c gs1.c eci.c general_field.c sjis.c gb2312.c gb18030.c)
 set(zint_ONEDIM_SRCS code.c code128.c 2of5.c upcean.c telepen.c medical.c plessey.c rss.c)
diff --git a/backend/zintconfig.h b/backend/zintconfig.h
index 25d50e42..43a236b8 100644
--- a/backend/zintconfig.h
+++ b/backend/zintconfig.h
@@ -1,5 +1,41 @@
-/* The configured options and settings for libzint */
-#define ZINT_VERSION_MAJOR 2
-#define ZINT_VERSION_MINOR 9
-#define ZINT_VERSION_RELEASE 1
-#define ZINT_VERSION_BUILD 9
+/*  zintconfig.h - the configured options and settings for libzint
+
+    libzint - the open source barcode library
+    Copyright (C) 2021 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.
+ */
+/* vim: set ts=4 sw=4 et : */
+
+#ifndef ZINTCONFIG_H
+#define ZINTCONFIG_H
+
+#define ZINT_VERSION_MAJOR      2
+#define ZINT_VERSION_MINOR      9
+#define ZINT_VERSION_RELEASE    1
+#define ZINT_VERSION_BUILD      9
+
+#endif /* ZINTCONFIG_H */
diff --git a/backend/zintconfig.h.in b/backend/zintconfig.h.in
index 1bff0d0b..7f07fa75 100644
--- a/backend/zintconfig.h.in
+++ b/backend/zintconfig.h.in
@@ -1,5 +1,41 @@
-/* The configured options and settings for libzint */
-#define ZINT_VERSION_MAJOR @ZINT_VERSION_MAJOR@
-#define ZINT_VERSION_MINOR @ZINT_VERSION_MINOR@
-#define ZINT_VERSION_RELEASE @ZINT_VERSION_RELEASE@
-#define ZINT_VERSION_BUILD @ZINT_VERSION_BUILD@
+/*  zintconfig.h - the configured options and settings for libzint
+
+    libzint - the open source barcode library
+    Copyright (C) 2021 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.
+ */
+/* vim: set ts=4 sw=4 et : */
+
+#ifndef ZINTCONFIG_H
+#define ZINTCONFIG_H
+
+#define ZINT_VERSION_MAJOR      @ZINT_VERSION_MAJOR@
+#define ZINT_VERSION_MINOR      @ZINT_VERSION_MINOR@
+#define ZINT_VERSION_RELEASE    @ZINT_VERSION_RELEASE@
+#define ZINT_VERSION_BUILD      @ZINT_VERSION_BUILD@
+
+#endif /* ZINTCONFIG_H */