--- multiplexer/descref.c	2001/04/09 15:26:03	1.3
+++ multiplexer/descref.c	2001/04/30 15:58:29	1.4
@@ -194,7 +194,7 @@ void validate_mapref (stream_descr *m)
       save_mapreference (pmapref,
           &m->data.ptr[m->data.out+sizeof(mapreference)],
           m->ctrl.ptr[m->ctrl.out].length-sizeof(mapreference),s);
-      if (s->isamap) {
+      if (s->streamdata != sd_data) {
         warn (LDEB,"Mapref isamap",EDES,6,3,pmapref->sourceid);
         /* must do something, if input program is related to output prog */
       } else {