diff --git a/concordia/environment/game_master.py b/concordia/environment/game_master.py
index 5c89f6a1..2164d3f4 100644
--- a/concordia/environment/game_master.py
+++ b/concordia/environment/game_master.py
@@ -146,7 +146,7 @@ def update_from_player(self, player_name: str, action_attempt: str):
           lambda construct: construct.update_before_event(
               f'{player_name}: {action_attempt}'
           ),
-          self._components,
+          self._components.values(),
       )
 
     for comp in self._components.values():