diff --git a/addons/calendar/views/calendar_views.xml b/addons/calendar/views/calendar_views.xml
index 6a5c11de816..c123b53a0df 100644
--- a/addons/calendar/views/calendar_views.xml
+++ b/addons/calendar/views/calendar_views.xml
@@ -72,7 +72,7 @@
                 <field name="partner_ids"/>
                 <field name="location"/>
                 <field name="state" invisible="True"/>
-                <field name="duration"/>
+                <field name="duration" widget="float_time"/>
                 <field name="message_needaction" invisible="1"/>
             </tree>
         </field>
@@ -368,4 +368,4 @@
         <field name="view_id" ref="view_calendar_event_form"/>
     </record>
 
-</odoo>
\ No newline at end of file
+</odoo>