diff --git a/simon/simon.cpp b/simon/simon.cpp
index 51481f267a8..d046ca41d61 100644
--- a/simon/simon.cpp
+++ b/simon/simon.cpp
@@ -2647,7 +2647,9 @@ void SimonState::timer_proc1()
 {
 	_timer_4++;
 
-	if (_lock_word & 0xC0E9 || _lock_word & 2)
+	if ((_game & GAME_SIMON2) && (_lock_word & 0x80E9 || _lock_word & 2)) {
+		return;
+	} else if (_lock_word & 0xC0E9 || _lock_word & 2)
 		return;
 
 	_timer_1++;