diff --git a/ext/libpng/gstpngenc.c b/ext/libpng/gstpngenc.c
index 3354b4b159..18f5eda78e 100644
--- a/ext/libpng/gstpngenc.c
+++ b/ext/libpng/gstpngenc.c
@@ -39,7 +39,7 @@ enum
   LAST_SIGNAL
 };
 
-#define DEFAULT_SNAPSHOT                TRUE
+#define DEFAULT_SNAPSHOT                FALSE
 /* #define DEFAULT_NEWMEDIA             FALSE */
 #define DEFAULT_COMPRESSION_LEVEL       6