diff --git a/worlds/alttp/Rules.py b/worlds/alttp/Rules.py
index c9837e78..28b4acb8 100644
--- a/worlds/alttp/Rules.py
+++ b/worlds/alttp/Rules.py
@@ -854,6 +854,7 @@ def set_trock_key_rules(world, player):
         set_rule(world.get_entrance(entrance, player), lambda state: False)
 
     all_state = world.get_all_state(True)
+    all_state.reachable_regions[player] = set()  # wipe reachable regions so that the locked doors actually work
 
     # Check if each of the four main regions of the dungoen can be reached. The previous code section prevents key-costing moves within the dungeon.
     can_reach_back = all_state.can_reach(world.get_region('Turtle Rock (Eye Bridge)', player)) if world.can_access_trock_eyebridge[player] is None else world.can_access_trock_eyebridge[player]