diff --git a/src/boards/437.c b/src/boards/437.c
index acb4371..77f6b00 100644
--- a/src/boards/437.c
+++ b/src/boards/437.c
@@ -33,7 +33,7 @@ static void Mapper437_Sync(void) {
 }
 
 static DECLFW(Mapper437_WriteOuterBank) {
-	latch =latch &7 | A <<3;
+	latch =latch &7 | V <<3;
 	Mapper437_Sync();
 }