diff --git a/src/asm/6502/nes/test.s b/src/asm/6502/nes/test.s
index 5223bd7d1..8fe72706f 100644
--- a/src/asm/6502/nes/test.s
+++ b/src/asm/6502/nes/test.s
@@ -397,7 +397,10 @@ dispatchNoteOn:
 
 dispatchNoteOff:
 dispatchPrePorta:
+  rts
+
 dispatchPorta:
+  
   rts
 
 dispatchLegato: