diff --git a/Main.py b/Main.py
index 6bf42916..a9ebf3cf 100644
--- a/Main.py
+++ b/Main.py
@@ -16,7 +16,7 @@ from OverworldGlitchRules import create_owg_connections
 from PotShuffle import shuffle_pots
 from Regions import create_regions, create_shops, mark_light_world_regions, mark_dark_world_regions, create_dungeon_regions, adjust_locations
 from OWEdges import create_owedges
-from OverworldShuffle import link_overworld, create_flute_exits
+from OverworldShuffle import link_overworld, update_world_regions, create_flute_exits
 from EntranceShuffle import link_entrances
 from Rom import patch_rom, patch_race_rom, patch_enemizer, apply_rom_settings, LocalRom, JsonRom, get_hash_string
 from Doors import create_doors
@@ -162,6 +162,7 @@ def main(args, seed=None, fish=None):
 
     for player in range(1, world.players + 1):
         link_overworld(world, player)
+        update_world_regions(world, player)
         create_flute_exits(world, player)
 
     logger.info(world.fish.translate("cli","cli","shuffling.world"))
@@ -421,6 +422,7 @@ def copy_world(world):
 
     for player in range(1, world.players + 1):
         create_regions(ret, player)
+        update_world_regions(ret, player)
         create_flute_exits(ret, player)
         create_dungeon_regions(ret, player)
         create_shops(ret, player)
diff --git a/OverworldShuffle.py b/OverworldShuffle.py
index dc51abab..e80713ae 100644
--- a/OverworldShuffle.py
+++ b/OverworldShuffle.py
@@ -135,13 +135,7 @@ def link_overworld(world, player):
         assert len(swapped_edges) == 0
         
         #move swapped regions to other world
-        if world.owSwap[player] == 'mixed':
-            for name in world.owswaps[player][1]:
-                region = world.get_region(name, player)
-                region.type = RegionType.DarkWorld
-            for name in world.owswaps[player][2]:
-                region = world.get_region(name, player)
-                region.type = RegionType.LightWorld
+        update_world_regions(world, player)
     
     # make new connections
     for owid in ow_connections.keys():
@@ -512,6 +506,13 @@ def create_flute_exits(world, player):
             region.exits.append(exit)
     world.initialize_regions()
 
+def update_world_regions(world, player):
+    if world.owSwap[player] == 'mixed':
+        for name in world.owswaps[player][1]:
+            world.get_region(name, player).type = RegionType.DarkWorld
+        for name in world.owswaps[player][2]:
+            world.get_region(name, player).type = RegionType.LightWorld
+
 test_connections = [
                     #('Links House ES', 'Octoballoon WS'),
                     #('Links House NE', 'Lost Woods Pass SW')