diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 2fe8948f81a..9cf27eda1eb 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -953,6 +953,7 @@ class sale_order_line(osv.osv):
         'salesman_id':fields.related('order_id', 'user_id', type='many2one', relation='res.users', store=True, string='Salesperson'),
         'company_id': fields.related('order_id', 'company_id', type='many2one', relation='res.company', string='Company', store={
             'sale.order': (_get_sale_order, ['company_id'], 20),
+            'sale.order.line': (lambda self, cr, uid, ids, c=None: ids, ['order_id'], 20),
         }, readonly=True),
         'delay': fields.float('Delivery Lead Time', required=True, help="Number of days between the order confirmation and the shipping of the products to the customer", readonly=True, states={'draft': [('readonly', False)]}),
         'procurement_ids': fields.one2many('procurement.order', 'sale_line_id', 'Procurements'),