diff --git a/l10n_it_delivery_note/models/stock_delivery_note.py b/l10n_it_delivery_note/models/stock_delivery_note.py
index 5b5fdc57395d..d7bd1ca4871c 100644
--- a/l10n_it_delivery_note/models/stock_delivery_note.py
+++ b/l10n_it_delivery_note/models/stock_delivery_note.py
@@ -942,7 +942,7 @@ def _prepare_detail_lines(self, moves):
                 "move_id": move.id,
                 "name": name,
                 "product_id": move.product_id.id,
-                "product_qty": move.product_uom_qty,
+                "product_qty": move.quantity_done,
                 "product_uom_id": move.product_uom.id,
             }