diff --git a/addons/sale/sale_view.xml b/addons/sale/sale_view.xml
index ec3c390f521..82ec4d68bac 100644
--- a/addons/sale/sale_view.xml
+++ b/addons/sale/sale_view.xml
@@ -84,6 +84,7 @@
                 <tree string="Sales Orders" colors="grey:state=='done'">
                     <field name="name"/>
                     <field name="date_order"/>
+                    <field name="client_order_ref" groups="base.group_extended"/>
                     <field name="partner_id"/>
                     <field name="user_id" />
                     <field name="picked_rate" widget="progressbar"/>