diff --git a/app/main.py b/app/main.py
index c949ebd..45f03ef 100644
--- a/app/main.py
+++ b/app/main.py
@@ -309,7 +309,8 @@ async def auth_callback(request: Request, code: str = "", state: str = ""):
     base = str(request.base_url).rstrip("/").replace("http://", "https://")
     redirect_uri = f"{base}/api/auth/callback"
 
-    async with httpx.AsyncClient(timeout=10) as client:
+    import httpx as _httpx
+    async with _httpx.AsyncClient(timeout=10) as client:
         resp = await client.post(token_url, data={
             "grant_type": "authorization_code",
             "client_id": settings.keycloak_client_id,