diff --git a/Rules.py b/Rules.py
index 6f384fd7..f9f02d3d 100644
--- a/Rules.py
+++ b/Rules.py
@@ -258,7 +258,7 @@ def global_rules(world):
     set_rule(world.get_entrance('Thieves Town Big Key Door'), lambda state: state.has('Big Key (Thieves Town)'))
     set_rule(world.get_entrance('Blind Fight'), lambda state: state.has('Small Key (Thieves Town)') and (state.has_blunt_weapon() or state.has('Cane of Somaria') or state.has('Cane of Byrna')))
     set_rule(world.get_location('Thieves\' Town - Big Chest'), lambda state: (state.has('Small Key (Thieves Town)') or item_name(state, 'Thieves\' Town - Big Chest') == 'Small Key (Thieves Town)') and state.has('Hammer'))
-    set_always_allow(world.get_location('Thieves\' Town - Big Chest'), lambda state, item: item.name == 'Small Key (Thieves Town)')
+    set_always_allow(world.get_location('Thieves\' Town - Big Chest'), lambda state, item: item.name == 'Small Key (Thieves Town)' and state.has('Hammer'))
     set_rule(world.get_location('Thieves\' Town - Attic'), lambda state: state.has('Small Key (Thieves Town)'))
     for location in ['Thieves\' Town - Attic', 'Thieves\' Town - Big Chest', 'Thieves\' Town - Blind\'s Cell', 'Thieves Town - Blind']:
         forbid_item(world.get_location(location), 'Big Key (Thieves Town)')