diff --git a/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php b/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php
index 0685bbe637..580e5ea5ee 100644
--- a/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php
+++ b/src/applications/calendar/controller/PhabricatorCalendarEventViewController.php
@@ -105,6 +105,7 @@ final class PhabricatorCalendarEventViewController
       ),
       array(
         'title' => $page_title,
+        'pageObjects' => array($event->getPHID()),
       ));
   }