diff --git a/libavformat/mp3.c b/libavformat/mp3.c
index bc12e8e2a5..6173be225e 100644
--- a/libavformat/mp3.c
+++ b/libavformat/mp3.c
@@ -438,6 +438,7 @@ static int mp3_read_header(AVFormatContext *s,
     st->codec->codec_type = CODEC_TYPE_AUDIO;
     st->codec->codec_id = CODEC_ID_MP3;
     st->need_parsing = AVSTREAM_PARSE_FULL;
+    st->start_time = 0;
 
     /* try to get the TAG */
     if (!url_is_streamed(&s->pb)) {