diff --git a/zsnes/src/dos/dosintrf.asm b/zsnes/src/dos/dosintrf.asm
index 35903e44..7bfbe532 100644
--- a/zsnes/src/dos/dosintrf.asm
+++ b/zsnes/src/dos/dosintrf.asm
@@ -719,6 +719,7 @@ NEWSYM InitPreGame   ; Executes before starting/continuing a game
     cmp al,[V8Mode]
     je .nochangemode
     xor byte[V8Mode],1
+    xor al,al
 .nochangemode
 
 .nofs
diff --git a/zsnes/src/linux/sdlintrf.asm b/zsnes/src/linux/sdlintrf.asm
index 6a2f1568..5b9435a7 100644
--- a/zsnes/src/linux/sdlintrf.asm
+++ b/zsnes/src/linux/sdlintrf.asm
@@ -770,6 +770,7 @@ NEWSYM InitPreGame   ; Executes before starting/continuing a game
     cmp al,[V8Mode]
     je .nochangemode
     xor byte[V8Mode],1
+    xor al,al
 .nochangemode
 
     mov byte[RaisePitch],1
diff --git a/zsnes/src/win/winintrf.asm b/zsnes/src/win/winintrf.asm
index 0e1068a5..082d2e00 100644
--- a/zsnes/src/win/winintrf.asm
+++ b/zsnes/src/win/winintrf.asm
@@ -960,6 +960,7 @@ NEWSYM InitPreGame   ; Executes before starting/continuing a game
     cmp al,[V8Mode]
     je .nochangemode
     xor byte[V8Mode],1
+    xor al,al
 .nochangemode
 
     mov byte[RaisePitch],1