diff --git a/addons/mail/views/mail_activity_views.xml b/addons/mail/views/mail_activity_views.xml
index 71bc3592c3d..5245124baba 100644
--- a/addons/mail/views/mail_activity_views.xml
+++ b/addons/mail/views/mail_activity_views.xml
@@ -38,6 +38,7 @@
                                     <field name="delay_count"/>
                                     <field name="delay_unit"/>
                                 </div>
+                                <span class="oe_read_only">&amp;nbsp;</span>
                                 <field name="delay_from"/>
                             </div>
                         </group>