diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index ca2b36a3245..172fe1226ef 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -785,8 +785,8 @@ class sale_order_line(osv.osv):
         res = {}
         context = context or {}
         for line in self.browse(cr, uid, ids, context=context):
-            price = line.price_unit * line.product_uom_qty * (1 - (line.discount or 0.0) / 100.0)
-            taxes = tax_obj.compute_all(cr, uid, line.tax_id, line.price_unit, line.product_uom_qty)
+            price = line.price_unit * (1 - (line.discount or 0.0) / 100.0)
+            taxes = tax_obj.compute_all(cr, uid, line.tax_id, price, line.product_uom_qty, line.order_id.partner_invoice_id.id, line.product_id, line.order_id.partner_id)
             cur = line.order_id.pricelist_id.currency_id
             res[line.id] = cur_obj.round(cr, uid, cur, taxes['total'])
         return res