diff --git a/game/scripts/interface/inventory.rpy b/game/scripts/interface/inventory.rpy
index 9974d28b..d22f265c 100644
--- a/game/scripts/interface/inventory.rpy
+++ b/game/scripts/interface/inventory.rpy
@@ -1,17 +1,17 @@
 init python:
     def inventory_sortfilter(item, sortby="A-z", filtering=None):
         if filtering == "Owned":
-            item = [x for x in item if x.owned > 0]
+            item = (x for x in item if x.owned > 0)
 
         # Always sort alphabetically first.
         item = sorted(item, key=lambda x: natsort_key(x.name))
 
         if sortby == "z-A":
-            item = sorted(item, key=lambda x: natsort_key(x.name), reverse=True)
+            item.sort(key=lambda x: natsort_key(x.name), reverse=True)
         elif current_sorting == "Available":
-            item = sorted(item, key=lambda x: x.owned is True, reverse=True)
+            item.sort(key=lambda x: x.owned is True, reverse=True)
         elif current_sorting == "Unavailable":
-            item = sorted(item, key=lambda x: x.owned is False)
+            item.sort(key=lambda x: x.owned is False)
 
         return item