diff --git a/libmpdemux/demux_ts.c b/libmpdemux/demux_ts.c
index 9ae996ede1..8d8a5795d8 100644
--- a/libmpdemux/demux_ts.c
+++ b/libmpdemux/demux_ts.c
@@ -1008,6 +1008,9 @@ static demuxer_t *demux_open_ts(demuxer_t * demuxer)
 
 	if(params.atype != UNKNOWN)
 	{
+		ES_stream_t *es = priv->ts.pids[params.apid]; 
+		
+		if(!IS_AUDIO(es->type) && !IS_AUDIO(es->subtype)) es->subtype = params.atype;
 		ts_add_stream(demuxer, priv->ts.pids[params.apid]);
 		sh_audio = priv->ts.streams[params.apid].sh;
 		demuxer->audio->id = priv->ts.streams[params.apid].id;