diff --git a/addons/sale/models/sale.py b/addons/sale/models/sale.py
index 1c644a9cdaf..84ac2bfa5e8 100644
--- a/addons/sale/models/sale.py
+++ b/addons/sale/models/sale.py
@@ -857,7 +857,7 @@ class SaleOrderLine(models.Model):
             return price
         else:
             from_currency = self.order_id.company_id.currency_id
-            return from_currency.compute(product.lst_price, self.order_id.pricelist_id.currency_id)
+            return from_currency.compute(product[pricelist_item.base], self.order_id.pricelist_id.currency_id)
 
     @api.multi
     @api.onchange('product_id')