diff --git a/libavformat/yuv4mpegdec.c b/libavformat/yuv4mpegdec.c
index d7b472e6c7..ccd3da1af8 100644
--- a/libavformat/yuv4mpegdec.c
+++ b/libavformat/yuv4mpegdec.c
@@ -26,7 +26,7 @@
 #include "yuv4mpeg.h"
 
 /* Header size increased to allow room for optional flags */
-#define MAX_YUV4_HEADER 80
+#define MAX_YUV4_HEADER 96
 #define MAX_FRAME_HEADER 80
 
 static int yuv4_read_header(AVFormatContext *s)