diff --git a/libavformat/matroska.c b/libavformat/matroska.c
index 482a155577..f101a000b4 100644
--- a/libavformat/matroska.c
+++ b/libavformat/matroska.c
@@ -27,6 +27,7 @@ const CodecTags ff_mkv_codec_tags[]={
     {"A_DTS"            , CODEC_ID_DTS},
     {"A_EAC3"           , CODEC_ID_EAC3},
     {"A_FLAC"           , CODEC_ID_FLAC},
+    {"A_MLP"            , CODEC_ID_MLP},
     {"A_MPEG/L2"        , CODEC_ID_MP2},
     {"A_MPEG/L1"        , CODEC_ID_MP2},
     {"A_MPEG/L3"        , CODEC_ID_MP3},
@@ -45,6 +46,7 @@ const CodecTags ff_mkv_codec_tags[]={
     {"A_REAL/ATRC"      , CODEC_ID_ATRAC3},
     {"A_REAL/COOK"      , CODEC_ID_COOK},
 //    {"A_REAL/SIPR"      , CODEC_ID_SIPRO},
+    {"A_TRUEHD"         , CODEC_ID_TRUEHD},
     {"A_TTA1"           , CODEC_ID_TTA},
     {"A_VORBIS"         , CODEC_ID_VORBIS},
     {"A_WAVPACK4"       , CODEC_ID_WAVPACK},