diff --git a/addons/account/account_view.xml b/addons/account/account_view.xml
index 8b8f3e0eb9e..42fa70cd174 100644
--- a/addons/account/account_view.xml
+++ b/addons/account/account_view.xml
@@ -1165,7 +1165,7 @@
                     <field name="name" select="1"/>
                     <field name="sequence"/>
                     <field name="value"/>
-                    <field name="value_amount"/>
+                    <field name="value_amount" attrs="{'readonly':[('value','=','balance')]}"/>
                     <newline/>
                     <field name="days"/>
                     <field name="days2"/>
diff --git a/addons/base_vat/base_vat_data.xml b/addons/base_vat/base_vat_data.xml
index 7f426a313ac..ceb10639d0d 100644
--- a/addons/base_vat/base_vat_data.xml
+++ b/addons/base_vat/base_vat_data.xml
@@ -8,11 +8,11 @@
             <field name="inherit_id" ref="account.view_partner_property_form"/>
             <field name="arch" type="xml">
                 <field name="property_account_position" position="after">
+                    <label string="VAT :" align="1.0"/>
                     <group colspan="1" col="2">
-                        <label string="VAT :" align="1.0"/>
+                        <field name="vat" nolabel="1" on_change="vat_change(vat)" select="2"/>
                         <field name="vat_subjected" nolabel="1"/>
                     </group>
-                    <field name="vat" nolabel="1" on_change="vat_change(vat)" select="2"/>
                 </field>
             </field>
         </record>