diff --git a/backend/api/invoices.py b/backend/api/invoices.py
index a36eb8b..2f6e16b 100644
--- a/backend/api/invoices.py
+++ b/backend/api/invoices.py
@@ -6,7 +6,7 @@ from datetime import date, timedelta
 from decimal import Decimal
 from typing import Optional
 
-from fastapi import APIRouter, Depends, HTTPException, Request, UploadFile, File, BackgroundTasks
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, UploadFile, File, BackgroundTasks
 from fastapi.responses import FileResponse
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select, func, text