diff --git a/libavformat/aacdec.c b/libavformat/aacdec.c
index f7e61efe9b..566c3e78b9 100644
--- a/libavformat/aacdec.c
+++ b/libavformat/aacdec.c
@@ -102,5 +102,6 @@ AVInputFormat ff_aac_demuxer = {
     .read_packet  = ff_raw_read_partial_packet,
     .flags        = AVFMT_GENERIC_INDEX,
     .extensions   = "aac",
+    .mime_type    = "audio/aac,audio/aacp,audio/x-aac",
     .raw_codec_id = AV_CODEC_ID_AAC,
 };