diff --git a/views/sale_order.xml b/views/sale_order.xml
index 574bf0706400cd1c989269fbde6fb2db75fb1b56..b67ae0e1738bb0d212b1212617afb3adbb2e5758 100644
--- a/views/sale_order.xml
+++ b/views/sale_order.xml
@@ -22,7 +22,7 @@
         <record id="fumoc_sale_order_tree_inherit" model="ir.ui.view">
             <field name="name">fumoc_sale.sale.order.tree</field>
             <field name="model">sale.order</field>
-            <field name="inherit_id" ref="	sale.view_order_tree"/>
+            <field name="inherit_id" ref="sale.view_order_tree"/>
             <field name="priority" eval="8"/>
             <field name="arch" type="xml">
                 <xpath expr="//field[@name='partner_id']" position="after">