diff --git a/addons/sale_stock/models/account_move.py b/addons/sale_stock/models/account_move.py
index 07488bce8a1..bd95e155ce2 100644
--- a/addons/sale_stock/models/account_move.py
+++ b/addons/sale_stock/models/account_move.py
@@ -97,6 +97,8 @@ class AccountMove(models.Model):
                 'quantity': qty,
                 'uom_name': lot_id.product_uom_id.name,
                 'lot_name': lot_id.name,
+                # The lot id is needed by localizations to inherit the method and add custom fields on the invoice's report.
+                'lot_id': lot_id.id
             })
         return lot_values