diff --git a/ext/custom-addons/cam_custom/cam_custom.py b/ext/custom-addons/cam_custom/cam_custom.py
index e652c7c3..871897db 100644
--- a/ext/custom-addons/cam_custom/cam_custom.py
+++ b/ext/custom-addons/cam_custom/cam_custom.py
@@ -127,3 +127,14 @@ class mail_notification(osv.Model):
 #         c.update({'display_default_code': False})
 #         return super(product_product, self).name_get(cr, user, ids, context=c) 
     
+class sale_order_line(models.Model):
+    _inherit = 'sale.order.line'
+    
+    @api.onchange('name')
+    def onchange_name(self):
+        if self.name != False and self.product_id.id == False:
+            ir_values = self.pool.get('ir.values')
+            company = self.env['res.company'].search([], limit=1)
+            taxes_id = ir_values.get_default(self._cr, self._uid, 'product.template', 'taxes_id', company_id=company.id)
+            at = self.env['account.tax'].search([('id','=',isinstance(taxes_id, list) and taxes_id[0] or taxes_id)])
+            self.tax_id = at