diff --git a/engine/battle/core.asm b/engine/battle/core.asm
index 1a252c02..c746e52b 100644
--- a/engine/battle/core.asm
+++ b/engine/battle/core.asm
@@ -3302,7 +3302,7 @@ IsGhostBattle:
 	ld a, [wCurMap]
 	cp POKEMON_TOWER_1F
 	jr c, .next
-	cp MR_FUJIS_HOUSE
+	cp POKEMON_TOWER_7F + 1
 	jr nc, .next
 	ld b, SILPH_SCOPE
 	call IsItemInBag