diff --git a/mozilla/modules/libimg/png/MOZCHANGES b/mozilla/modules/libimg/png/MOZCHANGES
index 608366143da..c142e179fcf 100644
--- a/mozilla/modules/libimg/png/MOZCHANGES
+++ b/mozilla/modules/libimg/png/MOZCHANGES
@@ -8,3 +8,4 @@ Changes made to pristine png source by mozilla.org developers.
 
 2003/06/11  -- add mozpngconf.h (bug 208607)
 
+2003/07/03  -- enable PNG_NO_WRITE_SUPPORTED in mozpngconf.h (bug 208607)
diff --git a/mozilla/modules/libimg/png/mozpngconf.h b/mozilla/modules/libimg/png/mozpngconf.h
index 6a64a7833db..3138da2cfac 100644
--- a/mozilla/modules/libimg/png/mozpngconf.h
+++ b/mozilla/modules/libimg/png/mozpngconf.h
@@ -68,8 +68,6 @@
 #define PNG_NO_READ_OPT_PLTE
 #define PNG_NO_MNG_FEATURES
 
-#define PNG_NO_WRITE_TRANSFORMS
-#define PNG_NO_WRITE_EMPTY_PLTE
-#define PNG_NO_WRITE_ANCILLARY_CHUNKS
+#define PNG_NO_WRITE_SUPPORTED
 
 #endif