diff --git a/odex25_base/system_notification/views/views.xml b/odex25_base/system_notification/views/views.xml
index 5130e042e..9c846d590 100644
--- a/odex25_base/system_notification/views/views.xml
+++ b/odex25_base/system_notification/views/views.xml
@@ -14,7 +14,7 @@
                     <field name="notify_to_groups_ids" widget="many2many_tags"
                            attrs="{'invisible': [('state', '!=', 'email')],'required': [('state', '=', 'email')]}"/>
                     <field name="notify_cc_groups_ids" widget="many2many_tags"
-                           attrs="{'invisible': [('state', '!=', 'email')],'required': [('state', '=', 'email')]}"/>
+                           attrs="{'invisible': [('state', '!=', 'email')]}"/>
                 </xpath>
                 <!--                add notify fields -->
                 <xpath expr="//notebook" position="inside">