diff --git a/addons/portal_sale/security/portal_security.xml b/addons/portal_sale/security/portal_security.xml
index c4bf6131ba1..39dabf754fe 100644
--- a/addons/portal_sale/security/portal_security.xml
+++ b/addons/portal_sale/security/portal_security.xml
@@ -42,6 +42,7 @@
             <field name="name">Portal Personal Contacts</field>
             <field name="model_id" ref="base.model_res_partner"/>
             <field name="domain_force">[('message_follower_ids','in',[user.partner_id.id])]</field>
+            <field eval="0" name="perm_read"/>
             <field name="groups" eval="[(4, ref('portal.group_portal'))]"/>
         </record>