diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 4af8723d652..ce024b1a5cb 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -700,7 +700,7 @@ class purchase_order_line(osv.osv):
         dt = (datetime.now() + relativedelta(days=int(seller_delay) or 0.0)).strftime('%Y-%m-%d %H:%M:%S')
 
 
-        res.update({'value': {'price_unit': price, 'name': name or prod_name,
+        res.update({'value': {'price_unit': price, 'name': prod_name,
             'taxes_id':map(lambda x: x.id, prod.supplier_taxes_id),
             'date_planned': date_planned or dt,'notes': notes or prod.description_purchase,
             'product_qty': qty,
@@ -721,9 +721,11 @@ class purchase_order_line(osv.osv):
         return res
 
     def product_uom_change(self, cr, uid, ids, pricelist, product, qty, uom,
-            partner_id, date_order=False,fiscal_position=False):
+            partner_id, date_order=False, fiscal_position=False, date_planned=False,
+            name=False, price_unit=False, notes=False):
         res = self.product_id_change(cr, uid, ids, pricelist, product, qty, uom,
-                partner_id=partner_id, date_order=date_order,fiscal_position=fiscal_position)
+                partner_id, date_order=date_order, fiscal_position=fiscal_position, date_planned=date_planned,
+            name=name, price_unit=price_unit, notes=notes)
         if 'product_uom' in res['value']:
             if uom and (uom != res['value']['product_uom']) and res['value']['product_uom']:
                 seller_uom_name = self.pool.get('product.uom').read(cr, uid, [res['value']['product_uom']], ['name'])[0]['name']
diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index 7ee96dca850..cb83841f005 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -318,7 +318,7 @@
                         <page string="Order Line">
                             <field name="product_id" colspan="4" context="partner_id=parent.partner_id,quantity=product_qty,pricelist=parent.pricelist_id,uom=product_uom,warehouse=parent.warehouse_id" on_change="product_id_change(parent.pricelist_id,product_id,product_qty,product_uom,parent.partner_id, parent.date_order,parent.fiscal_position,date_planned,name,price_unit,notes)"/>
                             <field name="product_qty" context="partner_id=parent.partner_id,quantity=product_qty,pricelist=parent.pricelist_id,uom=product_uom,warehouse=parent.warehouse_id" on_change="product_id_change(parent.pricelist_id,product_id,product_qty,product_uom,parent.partner_id,parent.date_order,parent.fiscal_position,date_planned,name,price_unit,notes)"/>
-                            <field name="product_uom" on_change="product_uom_change(parent.pricelist_id,product_id,product_qty,product_uom,parent.partner_id, parent.date_order,parent.fiscal_position)"/>
+                            <field name="product_uom" on_change="product_uom_change(parent.pricelist_id,product_id,product_qty,product_uom,parent.partner_id, parent.date_order,parent.fiscal_position,date_planned,name,price_unit,notes)"/>
                             <field colspan="4" name="name"/>
                             <field name="date_planned" widget="date"/>
                             <field name="price_unit"/>