diff --git a/api/db/services/canvas_service.py b/api/db/services/canvas_service.py
index 78f93b195..8514b293c 100644
--- a/api/db/services/canvas_service.py
+++ b/api/db/services/canvas_service.py
@@ -79,7 +79,7 @@ def completion(tenant_id, agent_id, question, session_id=None, stream=True, **kw
         conv = {
             "id": session_id,
             "dialog_id": cvs.id,
-            "user_id": kwargs.get("usr_id", "") if isinstance(kwargs, dict) else "",
+            "user_id": kwargs.get("user_id", "") if isinstance(kwargs, dict) else "",
             "message": [{"role": "assistant", "content": canvas.get_prologue()}],
             "source": "agent",
             "dsl": cvs.dsl