diff --git a/evennia/contrib/rpg/rpsystem/rpsystem.py b/evennia/contrib/rpg/rpsystem/rpsystem.py
index cc10b0b99d..b79a1974ec 100644
--- a/evennia/contrib/rpg/rpsystem/rpsystem.py
+++ b/evennia/contrib/rpg/rpsystem/rpsystem.py
@@ -790,7 +790,7 @@ class RecogHandler:
         """
         if obj in self.obj2recog:
             del self.obj.db._recog_obj2recog[obj]
-            del self.obj.db._recog_obj2regex[obj]
+            del self.obj.db._recog_ref2recog["#%i" % obj.id]
         self._cache()