diff --git a/addons/base_calendar/base_calendar_view.xml b/addons/base_calendar/base_calendar_view.xml
index 285898f299a..d374c2e6d88 100644
--- a/addons/base_calendar/base_calendar_view.xml
+++ b/addons/base_calendar/base_calendar_view.xml
@@ -207,7 +207,7 @@
                             on_change="onchange_dates(date,False,date_deadline)"/>
                         <field name="location"/>
                         <field name="alarm_id" string="Reminder"
-                            widget="selection" invisible="1"/>
+                            widget="selection"/>
                         <group colspan="2" col="4" attrs="{'readonly': [('state','=','done')]}">
                            <field name="recurrency"/>
                         </group>