diff --git a/views/calendar.xml b/views/calendar.xml
index b1919575756128772f68e808756163c59058123e..0a82abb8f29cbc81e7f32ac342b699194d06ae55 100644
--- a/views/calendar.xml
+++ b/views/calendar.xml
@@ -15,6 +15,9 @@
             <field name="model">calendar.event</field>
             <field name="inherit_id" ref="calendar.view_calendar_event_tree"/>
             <field name="arch" type="xml">
+                <tree position="attributes">
+                    <attribute name="default_order">start</attribute>
+                </tree>
                 <field name="partner_ids" position="attributes">
                     <attribute name="invisible">True</attribute>
                 </field>