diff --git a/views/coworker_views.xml b/views/coworker_views.xml
index 044f366..b067278 100644
--- a/views/coworker_views.xml
+++ b/views/coworker_views.xml
@@ -137,7 +137,7 @@
     <field name="model">coworking.coworker</field>
     <field name="arch" type="xml">
       <calendar date_start="contact_date"
-        display="[contact_date],[name]" >
+        display="[contact_date]:[name]" >
         <!-- Fields used for the display text -->
         <field name="contact_date" />
         <field name="name" />