diff --git a/mrp_workcenter_hierarchical/workcenter_view.xml b/mrp_workcenter_hierarchical/workcenter_view.xml
index ba87ef4ac..1e5611d6e 100644
--- a/mrp_workcenter_hierarchical/workcenter_view.xml
+++ b/mrp_workcenter_hierarchical/workcenter_view.xml
@@ -29,5 +29,9 @@
     </field>
 </record>
 
+<record id="mrp.mrp_workcenter_action" model="ir.actions.act_window">
+    <field name="context">{'search_default_group_by_level_1': 1}</field>
+</record>
+
     </data>
 </openerp>