diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 9c782f05ea9..63480f6cf44 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -120,6 +120,10 @@ class SaleOrder(models.Model):
 
     product_id = fields.Many2one('product.product', related='order_line.product_id', string='Product')
 
+    @api.multi
+    def button_dummy(self):
+        return True
+
     @api.multi
     def unlink(self):
         for order in self:
diff --git a/addons/sale/sale_view.xml b/addons/sale/sale_view.xml
index 613745b4f8d..26a526d0088 100644
--- a/addons/sale/sale_view.xml
+++ b/addons/sale/sale_view.xml
@@ -292,10 +292,10 @@
                             <group class="oe_subtotal_footer oe_right" colspan="2" name="sale_total">
                                 <field name="amount_untaxed" widget='monetary' options="{'currency_field': 'currency_id'}"/>
                                 <field name="amount_tax" widget='monetary' options="{'currency_field': 'currency_id'}"/>
-                                <div class="oe_subtotal_footer_separator oe_inline">
+                                <div class="oe_subtotal_footer_separator oe_inline o_td_label">
                                     <label for="amount_total" />
-                                    <!-- <button name="button_dummy"
-                                        states="draft,sent" string="(update)" type="object" class="oe_edit_only oe_link"/> -->
+                                    <button name="button_dummy"
+                                        states="draft,sent" string="(update)" type="object" class="oe_edit_only oe_link"/>
                                 </div>
                                 <field name="amount_total" nolabel="1" class="oe_subtotal_footer_separator" widget='monetary' options="{'currency_field': 'currency_id'}"/>
                             </group>