diff --git a/backend/open_webui/apps/webui/routers/auths.py b/backend/open_webui/apps/webui/routers/auths.py
index a077f662a..8569a2fe5 100644
--- a/backend/open_webui/apps/webui/routers/auths.py
+++ b/backend/open_webui/apps/webui/routers/auths.py
@@ -507,8 +507,8 @@ async def signout(request: Request, response: Response):
     response.delete_cookie("token")
 
     if ENABLE_OAUTH_SIGNUP.value:
-        id_token = request.cookies.get("id_token")
-        if id_token:
+        oauth_id_token = request.cookies.get("oauth_id_token")
+        if oauth_id_token:
             try:
                 async with ClientSession() as session:
                     async with session.get(OPENID_PROVIDER_URL.value) as resp:
@@ -516,12 +516,14 @@ async def signout(request: Request, response: Response):
                             openid_data = await resp.json()
                             logout_url = openid_data.get("end_session_endpoint")
                             if logout_url:
-                                response.delete_cookie("id_token")
-                                return RedirectResponse(url=f"{logout_url}?id_token_hint={id_token}")
+                                response.delete_cookie("oauth_id_token")
+                                return RedirectResponse(
+                                    url=f"{logout_url}?id_token_hint={oauth_id_token}"
+                                )
                         else:
                             raise HTTPException(
                                 status_code=resp.status,
-                                detail="Failed to fetch OpenID configuration"
+                                detail="Failed to fetch OpenID configuration",
                             )
             except Exception as e:
                 raise HTTPException(status_code=500, detail=str(e))
diff --git a/backend/open_webui/utils/oauth.py b/backend/open_webui/utils/oauth.py
index e7a6b167f..3bab0fc42 100644
--- a/backend/open_webui/utils/oauth.py
+++ b/backend/open_webui/utils/oauth.py
@@ -252,12 +252,12 @@ class OAuthManager:
             samesite=WEBUI_SESSION_COOKIE_SAME_SITE,
             secure=WEBUI_SESSION_COOKIE_SECURE,
         )
-        
+
         if ENABLE_OAUTH_SIGNUP.value:
-            id_token = token.get("id_token")
+            oauth_id_token = token.get("id_token")
             response.set_cookie(
-                key="id_token",
-                value=id_token,
+                key="oauth_id_token",
+                value=oauth_id_token,
                 httponly=True,
                 samesite=WEBUI_SESSION_COOKIE_SAME_SITE,
                 secure=WEBUI_SESSION_COOKIE_SECURE,