diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index 1e3eb33fd6..5405956467 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -460,7 +460,7 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
         if (st->codecpar->codec_id == AV_CODEC_ID_H264)
             sti->need_parsing = AVSTREAM_PARSE_FULL_ONCE;
         if (st->codecpar->codec_id == AV_CODEC_ID_MPEG4)
-            sti->need_parsing = AVSTREAM_PARSE_FULL_ONCE;
+            sti->need_parsing = AVSTREAM_PARSE_FULL;
         if (st->codecpar->codec_id == AV_CODEC_ID_HEVC)
             sti->need_parsing = AVSTREAM_PARSE_FULL;
     }