diff --git a/src/applications/calendar/herald/PhabricatorCalendarEventHeraldAdapter.php b/src/applications/calendar/herald/PhabricatorCalendarEventHeraldAdapter.php
index 49d5f38959..1fc3a56317 100644
--- a/src/applications/calendar/herald/PhabricatorCalendarEventHeraldAdapter.php
+++ b/src/applications/calendar/herald/PhabricatorCalendarEventHeraldAdapter.php
@@ -49,6 +49,13 @@ final class PhabricatorCalendarEventHeraldAdapter extends HeraldAdapter {
     }
   }
 
+  public function getRepetitionOptions() {
+    return array(
+      HeraldRepetitionPolicyConfig::EVERY,
+      HeraldRepetitionPolicyConfig::FIRST,
+    );
+  }
+
   public function getHeraldName() {
     return $this->getObject()->getMonogram();
   }