diff --git a/libmpdemux/demux_real.c b/libmpdemux/demux_real.c
index c517c7fa5c..39dd5fb75c 100644
--- a/libmpdemux/demux_real.c
+++ b/libmpdemux/demux_real.c
@@ -1040,7 +1040,7 @@ got_video:
 	return 1;
     }
 
-if(stream_id<256){
+if(stream_id<MAX_STREAMS){
 
     if(demuxer->audio->id==-1 && demuxer->a_streams[stream_id]){
 	sh_audio_t *sh = demuxer->a_streams[stream_id];