diff --git a/src/syseng/11sim.427 b/src/syseng/11sim.428
similarity index 99%
rename from src/syseng/11sim.427
rename to src/syseng/11sim.428
index f241d3d1..9f5f40b2 100644
--- a/src/syseng/11sim.427
+++ b/src/syseng/11sim.428
@@ -5709,6 +5709,7 @@ NGMLP0:	MOVEI X,6	;INCREMENT
 	MOVEI TT,8
 	MOVNM TT,NGTEM
 	MOVE T,[100,,MB]
+	MOVEI TT,8
 	DPB TT,[360600,,T]
 	MOVE TT,T
 NGMLPZ:	ILDB T,TT