diff --git a/libavformat/vc1test.c b/libavformat/vc1test.c
index c8340179cf..531fd8515b 100644
--- a/libavformat/vc1test.c
+++ b/libavformat/vc1test.c
@@ -35,7 +35,7 @@ static int vc1t_probe(AVProbeData *p)
     if (p->buf[3] != 0xC5 && AV_RL32(&p->buf[4]) != 4)
         return 0;
 
-    return AVPROBE_SCORE_MAX;
+    return AVPROBE_SCORE_MAX/2;
 }
 
 static int vc1t_read_header(AVFormatContext *s,