diff --git a/addons/sale_layout/sale_layout.py b/addons/sale_layout/sale_layout.py
index 853783c218d..ed43007ca20 100644
--- a/addons/sale_layout/sale_layout.py
+++ b/addons/sale_layout/sale_layout.py
@@ -116,6 +116,7 @@ class sale_order_line(osv.osv):
         'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Sale Price'), readonly=True, states={'draft': [('readonly', False)]}),
         'product_uom_qty': fields.float('Quantity (UoM)', digits=(16,2)),
         'product_uom': fields.many2one('product.uom', 'Product UoM'),
+        'price_subtotal': fields.function(_amount_line, method=True, string='Subtotal', digits_compute= dp.get_precision('Sale Price')),
     }
 
     _defaults = {