diff --git a/libavformat/rawdec.c b/libavformat/rawdec.c
index 87583e1cd9..3d8125f42c 100644
--- a/libavformat/rawdec.c
+++ b/libavformat/rawdec.c
@@ -70,7 +70,7 @@ int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
             }
         case AVMEDIA_TYPE_VIDEO: {
             FFRawVideoDemuxerContext *s1 = s->priv_data;
-            int width = 0, height = 0, ret;
+            int width = 0, height = 0, ret = 0;
             enum PixelFormat pix_fmt;
 
             if(ap->time_base.num)