diff --git a/www/kompozer/files/patch-modules-libpr0n-encoders-png-nsPNGEncoder.cpp b/www/kompozer/files/patch-modules-libpr0n-encoders-png-nsPNGEncoder.cpp
new file mode 100644
index 000000000000..ab9689957cbc
--- /dev/null
+++ b/www/kompozer/files/patch-modules-libpr0n-encoders-png-nsPNGEncoder.cpp
@@ -0,0 +1,15 @@
+--- modules/libpr0n/encoders/png/nsPNGEncoder.cpp	2010-03-28 13:48:53.000000000 +0200
++++ modules/libpr0n/encoders/png/nsPNGEncoder.cpp.orig	2010-03-28 13:46:50.000000000 +0200
+@@ -111,9 +111,9 @@
+ 
+   // initialize
+   png_struct* png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
+-                                                png_voidp_NULL,
+-                                                png_error_ptr_NULL,
+-                                                png_error_ptr_NULL);
++                                                NULL,
++                                                NULL,
++                                                NULL);
+   if (! png_ptr)
+     return NS_ERROR_OUT_OF_MEMORY;
+   png_info* info_ptr = png_create_info_struct(png_ptr);