diff --git a/backend/open_webui/routers/auths.py b/backend/open_webui/routers/auths.py
index a3f2e8b32..494ba3611 100644
--- a/backend/open_webui/routers/auths.py
+++ b/backend/open_webui/routers/auths.py
@@ -546,6 +546,7 @@ async def signout(request: Request, response: Response):
                             if logout_url:
                                 response.delete_cookie("oauth_id_token")
                                 return RedirectResponse(
+                                    headers=response.headers,
                                     url=f"{logout_url}?id_token_hint={oauth_id_token}"
                                 )
                         else: