diff --git a/Main.py b/Main.py
index 74484b68..0de80926 100644
--- a/Main.py
+++ b/Main.py
@@ -399,6 +399,7 @@ def copy_world(world):
     ret.keydropshuffle = world.keydropshuffle.copy()
     ret.mixed_travel = world.mixed_travel.copy()
     ret.standardize_palettes = world.standardize_palettes.copy()
+    ret.owswaps = world.owswaps.copy()
 
     for player in range(1, world.players + 1):
         create_regions(ret, player)