diff --git a/worlds/hk/__init__.py b/worlds/hk/__init__.py
index 78287305..fbc6461f 100644
--- a/worlds/hk/__init__.py
+++ b/worlds/hk/__init__.py
@@ -554,7 +554,8 @@ class HKWorld(World):
             for effect_name, effect_value in item_effects.get(item.name, {}).items():
                 if state.prog_items[item.player][effect_name] == effect_value:
                     del state.prog_items[item.player][effect_name]
-                state.prog_items[item.player][effect_name] -= effect_value
+                else:
+                    state.prog_items[item.player][effect_name] -= effect_value
 
         return change