diff --git a/OverworldShuffle.py b/OverworldShuffle.py
index 43495139..5c657e32 100644
--- a/OverworldShuffle.py
+++ b/OverworldShuffle.py
@@ -906,6 +906,7 @@ def build_accessible_region_list(world, start_region, player, build_copy_world=F
     from Main import copy_world
     from BaseClasses import CollectionState
     from Items import ItemFactory
+    from Utils import stack_size3a
     
     def explore_region(region_name, region=None):
         if stack_size3a() > 500: