diff --git a/addons/mrp/mrp_view.xml b/addons/mrp/mrp_view.xml
index 2ed442b1831..dc520f020f1 100644
--- a/addons/mrp/mrp_view.xml
+++ b/addons/mrp/mrp_view.xml
@@ -545,6 +545,7 @@
             <field name="type">ir.actions.act_window</field>
             <field name="res_model">mrp.bom</field>
             <field name="domain">[('bom_id', '=',active_ids)]</field>
+            <field name="view_type">tree</field>
             <field name="view_id" ref="mrp_bom_tree_view"/>
         </record>
         <record id="ir_BOM_structure" model="ir.values">