diff --git a/libavformat/vorbiscomment.c b/libavformat/vorbiscomment.c
index 3434d82829..a0f1c8817d 100644
--- a/libavformat/vorbiscomment.c
+++ b/libavformat/vorbiscomment.c
@@ -32,6 +32,7 @@
 const AVMetadataConv ff_vorbiscomment_metadata_conv[] = {
     { "ALBUMARTIST", "album_artist"},
     { "TRACKNUMBER", "track"  },
+    { "DISCNUMBER",  "disc"   },
     { 0 }
 };