diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 8e298ab084c..96f44d353d6 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -730,13 +730,13 @@ class sale_order_line(osv.osv):
         'price_unit': 0.0,
     }
 
-    def _get_line_qty(self, cr, uid, line):
+    def _get_line_qty(self, cr, uid, line, context=None):
         if (line.order_id.invoice_quantity=='order'):
             if line.product_uos:
                 return line.product_uos_qty or 0.0
             return line.product_uom_qty
 
-    def _get_line_uom(self, cr, uid, line):
+    def _get_line_uom(self, cr, uid, line, context=None):
         if (line.order_id.invoice_quantity=='order'):
             if line.product_uos:
                 return line.product_uos.id
@@ -769,8 +769,8 @@ class sale_order_line(osv.osv):
                             'property_account_income_categ', 'product.category',
                             context=context)
                     account_id = prop and prop.id or False
-            uosqty = self._get_line_qty(cr, uid, line)
-            uos_id = self._get_line_uom(cr, uid, line)
+            uosqty = self._get_line_qty(cr, uid, line, context=context)
+            uos_id = self._get_line_uom(cr, uid, line, context=context)
             pu = 0.0
             if uosqty:
                 pu = round(line.price_unit * line.product_uom_qty / uosqty,
diff --git a/addons/sale_stock/sale_stock.py b/addons/sale_stock/sale_stock.py
index 806efea48ff..a48b766f3bb 100644
--- a/addons/sale_stock/sale_stock.py
+++ b/addons/sale_stock/sale_stock.py
@@ -519,20 +519,20 @@ class sale_order_line(osv.osv):
         'product_packaging': False,
     }
 
-    def _get_line_qty(self, cr, uid, line):
+    def _get_line_qty(self, cr, uid, line, context=None):
         if line.procurement_id and not (line.order_id.invoice_quantity=='order'):
             return self.pool.get('procurement.order').quantity_get(cr, uid,
                    line.procurement_id.id, context=context)
         else:
-            return super(sale_order_line, self)._get_line_qty(cr, uid, line)
+            return super(sale_order_line, self)._get_line_qty(cr, uid, line, context=context)
 
 
-    def _get_line_uom(self, cr, uid, line):
+    def _get_line_uom(self, cr, uid, line, context=None):
         if line.procurement_id and not (line.order_id.invoice_quantity=='order'):
             return self.pool.get('procurement.order').uom_get(cr, uid,
                     line.procurement_id.id, context=context)
         else:
-            return super(sale_order_line, self)._get_line_uom(cr, uid, line)
+            return super(sale_order_line, self)._get_line_uom(cr, uid, line, context=context)
 
     def button_cancel(self, cr, uid, ids, context=None):
         res = super(sale_order_line, self).button_cancel(cr, uid, ids, context=context)