diff --git a/gateway/run.py b/gateway/run.py
index a3c5d8536ef11..4df2227ae4f0d 100644
--- a/gateway/run.py
+++ b/gateway/run.py
@@ -4965,7 +4965,7 @@ class TurnRunner:
         agent_history, observed_group_context = _build_gateway_agent_history(
             ctx.history,
             channel_prompt=ctx.channel_prompt,
-            inject_timestamps=_message_timestamps_enabled(_load_gateway_config()),
+            inject_timestamps=_message_timestamps_enabled(ctx.user_config),
         )
 
         # FTS write-corruption guard (#50502): when message persistence