diff --git a/openerp/addons/base/ir/ir_ui_view_view.xml b/openerp/addons/base/ir/ir_ui_view_view.xml
index fdfd18d733d..171d04d5651 100644
--- a/openerp/addons/base/ir/ir_ui_view_view.xml
+++ b/openerp/addons/base/ir/ir_ui_view_view.xml
@@ -31,7 +31,7 @@
                             <field name="groups_id"/>
                         </page>
                         <page name="inherit_children" string="Inherited Views">
-                            <field name="inherit_children_ids" context="{'default_model':model,'default_type':type,'default_inherit_id':active_id}">
+                            <field name="inherit_children_ids" context="{'default_model':model,'default_type':type,'default_inherit_id':active_id,'default_mode':'extension'}">
                                 <tree>
                                     <field name="priority"/>
                                     <field name="name"/>
@@ -104,7 +104,7 @@
                         <separator string="View Architecture" colspan="4" />
                         <field name="arch" colspan="4" nolabel="1"/>
                     </group>
-                   </sheet> 
+                   </sheet>
                 </form>
             </field>
         </record>