diff --git a/BaseClasses.py b/BaseClasses.py
index 10d05406..4b2c6643 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -183,7 +183,7 @@ class MultiWorld():
             set_player_attr('completion_condition', lambda state: True)
         self.worlds = {}
         self.per_slot_randoms = Utils.DeprecateDict("Using per_slot_randoms is now deprecated. Please use the "
-                                                    "world's random object instead (usually self.random)")
+                                                    "world's random object instead (usually self.random)", True)
         self.plando_options = PlandoOptions.none
 
     def get_all_ids(self) -> Tuple[int, ...]: