diff --git a/addons/point_of_sale/point_of_sale.py b/addons/point_of_sale/point_of_sale.py
index 0fb1ce4fba1..c90e325c48e 100644
--- a/addons/point_of_sale/point_of_sale.py
+++ b/addons/point_of_sale/point_of_sale.py
@@ -680,9 +680,8 @@ class pos_order(osv.osv):
                                                                line.product_id.uom_id.id,
                                                                line.qty, partner_id = order.partner_id.id,
                                                                fposition_id=order.partner_id.property_account_position.id)['value'])
-                sale_description = line.product_id.description_sale
-                if sale_description:
-                    inv_line['note'] = sale_description
+                if line.product_id.description_sale:
+                    inv_line['note'] = line.product_id.description_sale
                 inv_line['price_unit'] = line.price_unit
                 inv_line['discount'] = line.discount
                 inv_line['name'] = inv_name