diff --git a/addons/mrp/views/mrp_workorder_views.xml b/addons/mrp/views/mrp_workorder_views.xml
index 3da178e2851..966f24b248b 100644
--- a/addons/mrp/views/mrp_workorder_views.xml
+++ b/addons/mrp/views/mrp_workorder_views.xml
@@ -94,7 +94,7 @@
                 <button name="action_open_wizard" type="object" icon="fa-external-link" class="oe_edit_only"
                     context="{'default_workcenter_id': workcenter_id}"/>
                 <field name="show_json_popover" invisible="1"/>
-                <field name="json_popover" widget="mrp_workorder_popover" string=" " attrs="{'invisible': [('show_json_popover', '=', False)]}"/>
+                <field name="json_popover" widget="mrp_workorder_popover" string=" " width="0.1" attrs="{'invisible': [('show_json_popover', '=', False)]}"/>
             </tree>
         </field>
     </record>