diff --git a/LockedDoorsRainstate.asm b/LockedDoorsRainstate.asm
index 119bd6c..e0be014 100644
--- a/LockedDoorsRainstate.asm
+++ b/LockedDoorsRainstate.asm
@@ -16,6 +16,20 @@ CheckDoorlock:
     ; 16 bit
     STZ $0692
 
+    LDA.b $20 : CMP.w #$0928 : BCC .ytoolow
+    CMP.w #$09A8 : BCS .ytoohigh
+        LDA.b $22 : CMP.w #$0810 : BCC .xtoolow
+        CMP.w #$0880 : BCS .xtoohigh
+
+            LDA #$0DA4
+            JSL $1BC97C ; Overworld_DrawPersistentMap16
+            LDA.w #$0018 : STA $0692
+            JML NotLocked
+    .ytoolow
+    .ytoohigh
+    .xtoolow
+    .xtoohigh
+
     LDA $7EF3C5 : AND.w #$000F : BEQ .lockedDoor
         LDA #$0DA4
         JSL $1BC97C ; Overworld_DrawPersistentMap16