diff --git a/addons/purchase_double_validation/purchase_double_validation_installer.xml b/addons/purchase_double_validation/purchase_double_validation_installer.xml
index 2edabdce2b4..efba6bf9d76 100644
--- a/addons/purchase_double_validation/purchase_double_validation_installer.xml
+++ b/addons/purchase_double_validation/purchase_double_validation_installer.xml
@@ -9,10 +9,10 @@
             <field name="inherit_id" ref="purchase.view_purchase_configuration"/>
             <field name="arch" type="xml">
                 <div name="module_purchase_double_validation" position="inside">
-                    <label string="("/>
-                    <label for="limit_amount"/>
-                    <field name="limit_amount" attrs="{'required': [('module_purchase_double_validation','=',True)]}" class="oe_inline"/>
-                    <label string=")"/>
+                    <span attrs="{'invisible': [('module_purchase_double_validation','=',False)]}" class="oe_separate-from-text">
+                        <label for="limit_amount"/>
+                        <field name="limit_amount" attrs="{'required': [('module_purchase_double_validation','=',True)]}" class="oe_inline"/>
+                    </span>
                 </div>
             </field>
         </record>