diff --git a/src/scripting/vm/vmexec.h b/src/scripting/vm/vmexec.h
index aec532c37..594942351 100644
--- a/src/scripting/vm/vmexec.h
+++ b/src/scripting/vm/vmexec.h
@@ -651,7 +651,7 @@ begin:
 	OP(SCOPE) :
 		{
 			ASSERTA(a); ASSERTA(C);
-			FScopeBarrier::ValidateCall(((DObject*)a)->GetClass(), (VMFunction*)C, B);
+			FScopeBarrier::ValidateCall(((DObject*)a)->GetClass(), (VMFunction*)C, B - 1);
 		}
 		NEXTOP;