diff --git a/beesdoo_purchase/models/purchase_order.py b/beesdoo_purchase/models/purchase_order.py
index d9d41a5..3731456 100644
--- a/beesdoo_purchase/models/purchase_order.py
+++ b/beesdoo_purchase/models/purchase_order.py
@@ -8,10 +8,3 @@ class PurchaseOrder(models.Model):
 class PurchaseOrderLine(models.Model):
     
     _inherit = 'purchase.order.line'
-    
-    product_id = fields.Many2one('product.product', string='Product', 
-                                 domain=['&',('purchase_ok', '=', True),('template.main_seller_id','=','order_id.partner_id')], change_default=True, required=True)
-    
-    @api.onchange('order_id')
-    def _onchange_order_id(self):
-        print "changed", self.order_id, self.order_id.partner_id
\ No newline at end of file
diff --git a/beesdoo_purchase/views/purchase_order.xml b/beesdoo_purchase/views/purchase_order.xml
index 7db8df9..e3e255a 100644
--- a/beesdoo_purchase/views/purchase_order.xml
+++ b/beesdoo_purchase/views/purchase_order.xml
@@ -1,14 +1,14 @@
 <openerp>
 	<data>
-	<!-- 	<record model="ir.ui.view" id="beesdoo_purchase_order_form_view">
+		<record model="ir.ui.view" id="beesdoo_purchase_order_form_view">
 			<field name="name">beesdoo.purchase.order.form.view</field>
 			<field name="model">purchase.order</field>
 			<field name="inherit_id" ref="purchase.purchase_order_form" />
 			<field name="arch" type="xml">
-				
+				<field name="product_id" position="attributes">
+					<attributes domain="[('main_seller_id','=','parent.partner_id')]" />
+				</field>
 			</field>
-
 		</record>
- -->
 	</data>
 </openerp>
\ No newline at end of file