diff --git a/agent/auxiliary_client.py b/agent/auxiliary_client.py
index da69f040bb1..377e4ba22ea 100644
--- a/agent/auxiliary_client.py
+++ b/agent/auxiliary_client.py
@@ -3828,7 +3828,7 @@ def _resolve_task_provider_model(
             # (e.g. OPENROUTER_API_KEY) instead of locking into "custom".
             return cfg_provider, resolved_model, cfg_base_url, None, resolved_api_mode
         if cfg_provider and cfg_provider != "auto":
-            return cfg_provider, resolved_model, None, None, resolved_api_mode
+            return cfg_provider, resolved_model, cfg_base_url, cfg_api_key, resolved_api_mode
 
         return "auto", resolved_model, None, None, resolved_api_mode