--- libbase/GnashImagePng.cpp.orig	2009-03-02 17:29:44.000000000 +0200
+++ libbase/GnashImagePng.cpp	2010-07-02 13:07:47.000000000 +0300
@@ -164,7 +164,7 @@
     if (type == PNG_COLOR_TYPE_GRAY && bitDepth < 8)
     {
         log_debug("Setting grey bit depth(%d) to 8", bitDepth);
-        png_set_gray_1_2_4_to_8(_pngPtr);
+        png_set_expand_gray_1_2_4_to_8(_pngPtr);
     }
 
     // Apply the transparency block if it exists.