diff --git a/AIDojoCoordinator/coordinator.py b/AIDojoCoordinator/coordinator.py
index 9f0a2a8e..a2986c2a 100644
--- a/AIDojoCoordinator/coordinator.py
+++ b/AIDojoCoordinator/coordinator.py
@@ -637,12 +637,13 @@ async def _process_game_action(self, agent_addr: tuple, action:Action)->None:
                     await self._episode_rewards_condition.wait()
             # append step to the trajectory if needed
            
-            async with self._agents_lock:
-                self._add_step_to_trajectory(agent_addr, action, self._agent_rewards[agent_addr], new_state,end_reason=None)
-            # add information to 'info' field if needed
+
             info = {}
             if self._agent_status[agent_addr] not in [AgentStatus.Playing, AgentStatus.PlayingWithTimeout]:
                 info["end_reason"] = str(self._agent_status[agent_addr])
+            async with self._agents_lock:
+                self._add_step_to_trajectory(agent_addr, action, self._agent_rewards[agent_addr], new_state,end_reason=info.get("end_reason", ""))
+            # add information to 'info' field if needed
             new_observation = Observation(self._agent_states[agent_addr], self._agent_rewards[agent_addr], self._episode_ends[agent_addr], info=info)
             self._agent_observations[agent_addr] = new_observation
             output_message_dict = {