diff --git a/addons/account_anglo_saxon/product_view.xml b/addons/account_anglo_saxon/product_view.xml
index 43029616c5b..c06decf2c92 100644
--- a/addons/account_anglo_saxon/product_view.xml
+++ b/addons/account_anglo_saxon/product_view.xml
@@ -6,11 +6,11 @@
             <field name="model">product.product</field>
             <field name="inherit_id" ref="account.product_normal_form_view"/>
             <field name="arch" type="xml">
-                <xpath expr="//field[@name='property_account_expense']" position="after">
+                <field name="property_account_expense" position="after">
                     <label string="" colspan="2"/>
                     <field name="property_account_creditor_price_difference" domain="[('type','&lt;&gt;','view'),('type','&lt;&gt;','consolidation')]" attrs="{'readonly':[('purchase_ok','=',0)]}" />
                     <newline/>
-                </xpath>
+                </field>
             </field>
         </record>
 
@@ -19,10 +19,10 @@
             <field name="model">product.template</field>
             <field name="inherit_id" ref="account.product_template_form_view"/>
             <field name="arch" type="xml">
-                <xpath expr="/form/notebook/page/field[@name='property_account_expense']" position="after">
+                <field name="property_account_expense" position="after">
                     <field name="property_account_creditor_price_difference" domain="[('type','&lt;&gt;','view'),('type','&lt;&gt;','consolidation')]" attrs="{'readonly':[('purchase_ok','=',0)]}" />
                     <newline/>
-                </xpath>
+                </field>
              </field>
         </record>
 
diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index 6bed8bcbf9c..96006f6149a 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -618,12 +618,12 @@
                 <xpath expr="//div[@name='buttons']" position="inside">
                    <button string="Purchases" name="%(action_purchase_line_product_tree)d" type="action" groups="purchase.group_purchase_user"/>
                 </xpath>
-                <xpath expr="//field[@name='property_account_expense']" position="replace" >
+                <field name="property_account_expense" position="replace" >
                      <field name="property_account_expense" domain="[('type','&lt;&gt;','view'),('type','&lt;&gt;','consolidation')]" attrs="{'readonly':[('purchase_ok','=',0)]}" groups="account.group_account_user"/>
-                </xpath>
-                <xpath expr="//field[@name='supplier_taxes_id']" position="replace" >
+                </field>
+                <field name='supplier_taxes_id' position="replace" >
                      <field name="supplier_taxes_id" colspan="2" widget="many2many_tags" attrs="{'readonly':[('purchase_ok','=',0)]}"/>
-                </xpath>
+                </field>
             </field>
         </record>
     </data>