diff --git a/InOut/rtalsa.c b/InOut/rtalsa.c
index 3263b7aa7..73aa04892 100644
--- a/InOut/rtalsa.c
+++ b/InOut/rtalsa.c
@@ -1445,7 +1445,7 @@ static int alsaseq_in_read(CSOUND *csound,
       return 0;
     else
       err = snd_midi_event_decode(amidi->mev, buf, nbytes, ev);
-    return err;
+    return (err==-ENOENT)?0:err;
 }
 
 static int alsaseq_in_close(CSOUND *csound, void *userData)


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