diff --git a/addons/portal/wizard_view.xml b/addons/portal/wizard_view.xml
index b877e84686d..537055e5fb2 100644
--- a/addons/portal/wizard_view.xml
+++ b/addons/portal/wizard_view.xml
@@ -53,7 +53,7 @@
             <field name="arch" type="xml">
                 <!-- the attribute 'editable' is set below to make the elements
                      editable in the web client 6.0 -->
-                <tree string="Portal Users" editable="bottom" colors="red:exists==True">
+                <tree string="Portal Users" editable="bottom">
                     <field name="name"/>
                     <field name="user_email"/>
                     <field name="partner_id"/>