diff --git a/addons/mass_mailing_event/views/event_views.xml b/addons/mass_mailing_event/views/event_views.xml
index 3af42f96..85752647 100644
--- a/addons/mass_mailing_event/views/event_views.xml
+++ b/addons/mass_mailing_event/views/event_views.xml
@@ -10,7 +10,9 @@
                         name="action_mass_mailing_attendees"
                         icon="fa-envelope-o"
                         attrs="{'invisible': [('seats_expected', '=', 0)]}">
-                    Mail Attendees
+                    <div class="o_field_widget o_stat_info">
+                        <span class="o_stat_text">Mail Attendees</span>
+                    </div>
                 </button>
             </button>
         </field>