diff --git a/app/frontend.py b/app/frontend.py
index f278fb4f..a0e1afef 100644
--- a/app/frontend.py
+++ b/app/frontend.py
@@ -1,5 +1,5 @@
 # app/frontend.py (new file or inline in main.py)
-from fastapi import APIRouter
+from fastapi import APIRouter, Request
 from fastapi.responses import FileResponse
 from fastapi.staticfiles import StaticFiles
 from app.auth import require_login
@@ -18,7 +18,7 @@ router.mount("/static", StaticFiles(directory=frontend_folder), name="static")
 
 @router.get("/upload", response_class=FileResponse)
 @require_login
-def serve_ui():
+def serve_ui(request: Request):
     return os.path.join(frontend_folder, "index.html")
 
 # 3) Serve favicon.ico from the frontend folder