diff --git a/generators/poppler/synctex/patches/02-fix-_synctex_error.diff b/generators/poppler/synctex/patches/02-fix-_synctex_error.diff
new file mode 100644
index 000000000..bcd8efc5e
--- /dev/null
+++ b/generators/poppler/synctex/patches/02-fix-_synctex_error.diff
@@ -0,0 +1,26 @@
+Index: synctex/synctex_parser_utils.c
+===================================================================
+--- synctex.orig/synctex_parser_utils.c	2009-07-27 17:41:24.000000000 +0200
++++ synctex/synctex_parser_utils.c	2009-07-27 17:41:43.000000000 +0200
+@@ -62,7 +62,7 @@
+ 	return (void *)ptr;
+ }
+ 
+-int _synctex_error(char * reason,...) {
++int _synctex_error(const char * reason,...) {
+ 	va_list arg;
+ 	int result;
+ 	va_start (arg, reason);
+Index: synctex/synctex_parser_utils.h
+===================================================================
+--- synctex.orig/synctex_parser_utils.h	2009-07-27 17:41:24.000000000 +0200
++++ synctex/synctex_parser_utils.h	2009-07-27 17:41:47.000000000 +0200
+@@ -65,7 +65,7 @@
+ /*  This is used to log some informational message to the standard error stream.
+  *  On Windows, the stderr stream is not exposed and another method is used.
+  *	The return value is the number of characters printed.	*/
+-int _synctex_error(char * reason,...);
++int _synctex_error(const char * reason,...);
+ 
+ /*  strip the last extension of the given string, this string is modified!
+  *  This function depends on the OS because the path separator may differ.
diff --git a/generators/poppler/synctex/patches/series b/generators/poppler/synctex/patches/series
index 1bb1093f9..7c3117a7a 100644
--- a/generators/poppler/synctex/patches/series
+++ b/generators/poppler/synctex/patches/series
@@ -1 +1,2 @@
 01-fix-win32-define.diff
+02-fix-_synctex_error.diff
diff --git a/generators/poppler/synctex/synctex_parser_utils.c b/generators/poppler/synctex/synctex_parser_utils.c
index 9677fdccc..14211df91 100644
--- a/generators/poppler/synctex/synctex_parser_utils.c
+++ b/generators/poppler/synctex/synctex_parser_utils.c
@@ -62,7 +62,7 @@ void *_synctex_malloc(size_t size) {
 	return (void *)ptr;
 }
 
-int _synctex_error(char * reason,...) {
+int _synctex_error(const char * reason,...) {
 	va_list arg;
 	int result;
 	va_start (arg, reason);
diff --git a/generators/poppler/synctex/synctex_parser_utils.h b/generators/poppler/synctex/synctex_parser_utils.h
index c0d435d49..a22de2808 100644
--- a/generators/poppler/synctex/synctex_parser_utils.h
+++ b/generators/poppler/synctex/synctex_parser_utils.h
@@ -65,7 +65,7 @@ void *_synctex_malloc(size_t size);
 /*  This is used to log some informational message to the standard error stream.
  *  On Windows, the stderr stream is not exposed and another method is used.
  *	The return value is the number of characters printed.	*/
-int _synctex_error(char * reason,...);
+int _synctex_error(const char * reason,...);
 
 /*  strip the last extension of the given string, this string is modified!
  *  This function depends on the OS because the path separator may differ.