diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c
index 4d08b76aed..386c039c9c 100644
--- a/libavcodec/gifdec.c
+++ b/libavcodec/gifdec.c
@@ -273,6 +273,7 @@ static int gif_parse_next_image(GifState *s)
             return -1;
         }
     }
+    return -1;
 }
 
 static int gif_decode_init(AVCodecContext *avctx)