diff --git a/src/applications/daemon/storage/PhabricatorDaemonLogEvent.php b/src/applications/daemon/storage/PhabricatorDaemonLogEvent.php
--- a/src/applications/daemon/storage/PhabricatorDaemonLogEvent.php
+++ b/src/applications/daemon/storage/PhabricatorDaemonLogEvent.php
@@ -18,6 +18,9 @@
         'logID' => array(
           'columns' => array('logID', 'epoch'),
         ),
+        'key_epoch' => array(
+          'columns' => array('epoch'),
+        ),
       ),
     ) + parent::getConfiguration();
   }