diff --git a/evennia/locks/lockfuncs.py b/evennia/locks/lockfuncs.py
index b3393701b2..ea44980d5f 100644
--- a/evennia/locks/lockfuncs.py
+++ b/evennia/locks/lockfuncs.py
@@ -89,7 +89,7 @@ _PERMISSION_HIERARCHY = [p.lower() for p in settings.PERMISSION_HIERARCHY]
 
 def _to_player(accessing_obj):
     "Helper function. Makes sure an accessing object is a player object"
-    if utils.inherits_from(accessing_obj, "evennia.objects.objects.Object"):
+    if utils.inherits_from(accessing_obj, "evennia.objects.objects.DefaultObject"):
         # an object. Convert to player.
         accessing_obj = accessing_obj.player
     return accessing_obj
@@ -158,7 +158,7 @@ def perm(accessing_obj, accessed_obj, *args, **kwargs):
     except (AttributeError, IndexError):
         return False
 
-    if utils.inherits_from(accessing_obj, "evennia.objects.objects.Object") and accessing_obj.player:
+    if utils.inherits_from(accessing_obj, "evennia.objects.objects.DefaultObject") and accessing_obj.player:
         player = accessing_obj.player
         perms_player = [p.lower() for p in player.permissions.all()]
         is_quell = player.attributes.get("_quell")