diff --git a/addons/sale/views/sale_views.xml b/addons/sale/views/sale_views.xml
index b1686253c0e..de74cd194d2 100644
--- a/addons/sale/views/sale_views.xml
+++ b/addons/sale/views/sale_views.xml
@@ -384,7 +384,7 @@
                                     <field name="team_id" options="{'no_create': True}"/>
                                     <field name="client_order_ref"/>
                                     <field name="company_id" options="{'no_create': True}" groups="base.group_multi_company"/>
-                                    <field name="analytic_account_id" context="{'default_partner_id':partner_invoice_id, 'default_name':name}" attrs="{'readonly': ['|',('analytic_account_id','!=',False),('invoice_count','!=',0),('state','=','sale')]}" groups="analytic.group_analytic_accounting"/>
+                                    <field name="analytic_account_id" context="{'default_partner_id':partner_invoice_id, 'default_name':name}" attrs="{'readonly': [('invoice_count','!=',0),('state','=','sale')]}" groups="analytic.group_analytic_accounting"/>
                                 </group>
                                 <group name="sale_pay" string="Invoicing">
                                     <field name="date_order" attrs="{'invisible': [('state', 'in', ['sale', 'done', 'cancel'])]}"/>