diff --git a/inventory-backend/app/api/v1/inbound/stock.py b/inventory-backend/app/api/v1/inbound/stock.py
index 6c71caa..d1f27f7 100644
--- a/inventory-backend/app/api/v1/inbound/stock.py
+++ b/inventory-backend/app/api/v1/inbound/stock.py
@@ -1123,7 +1123,7 @@ def export_stocktake():
         borrow_rows = db.session.query(
             TransBorrow.source_table,
             TransBorrow.stock_id,
-            func.sum(func.coalesce(TransBorrow.quantity, 0) - func.coalesce(TransBorrow.returned_quantity, 0)).label('pending')
+            db.func.sum(db.func.coalesce(TransBorrow.quantity, 0) - db.func.coalesce(TransBorrow.returned_quantity, 0)).label('pending')
         ).filter(
             TransBorrow.is_returned == False
         ).group_by(