diff --git a/gns3server/agent/gns3_copilot/agent_service.py b/gns3server/agent/gns3_copilot/agent_service.py
index 3710ae5b0..7234872c5 100644
--- a/gns3server/agent/gns3_copilot/agent_service.py
+++ b/gns3server/agent/gns3_copilot/agent_service.py
@@ -160,8 +160,6 @@ class AgentService:
                 if chunk:
                     yield chunk
 
-            yield {"type": "done", "session_id": session_id}
-
         except Exception as e:
             log.error("Error in stream_chat: %s", e, exc_info=True)
             yield {"type": "error", "error": str(e), "session_id": session_id}