diff --git a/libavformat/isom.c b/libavformat/isom.c
index 4358dc4a6a..6129e61d7e 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -337,6 +337,7 @@ const AVCodecTag ff_codec_movaudio_tags[] = {
     { AV_CODEC_ID_MP1,             MKTAG('.', 'm', 'p', '1') },
     { AV_CODEC_ID_MP2,             MKTAG('.', 'm', 'p', '2') },
     { AV_CODEC_ID_MP3,             MKTAG('.', 'm', 'p', '3') },
+    { AV_CODEC_ID_MP3,             MKTAG('m', 'p', '3', ' ') }, /* vlc */
     { AV_CODEC_ID_MP3,             0x6D730055                },
     { AV_CODEC_ID_NELLYMOSER,      MKTAG('n', 'm', 'o', 's') }, /* Flash Media Server */
     { AV_CODEC_ID_NELLYMOSER,      MKTAG('N', 'E', 'L', 'L') }, /* Perian */