diff --git a/libavformat/utils.c b/libavformat/utils.c
index 932b6ad9f8..c094eec674 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -659,7 +659,7 @@ no_packet:
 
         if (end || av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)) {
             int score = set_codec_from_probe_data(s, st, pd);
-            if (    (st->codec->codec_id != AV_CODEC_ID_NONE && score > AVPROBE_SCORE_RETRY)
+            if (    (st->codec->codec_id != AV_CODEC_ID_NONE && score > AVPROBE_SCORE_RETRY-1)
                 || end) {
                 pd->buf_size = 0;
                 av_freep(&pd->buf);