diff --git a/app/main.py b/app/main.py
index 3a23b87..420fb19 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1156,7 +1156,7 @@ def _responses_non_stream_from_chat_payload(chat_payload: Any) -> dict[str, Any]
 
 
 def _sse_data(payload: dict[str, Any]) -> str:
-    return f"data: {json.dumps(payload, ensure_ascii=False)}\\n\\n"
+    return f"data: {json.dumps(payload, ensure_ascii=False)}\n\n"