diff --git a/plugins/Realtime/Realtime_channel.php b/plugins/Realtime/Realtime_channel.php
index 63e4bfa13e..2e25cac20f 100644
--- a/plugins/Realtime/Realtime_channel.php
+++ b/plugins/Realtime/Realtime_channel.php
@@ -131,6 +131,7 @@ class Realtime_channel extends Managed_DataObject
             ),
             'indexes' => array(
                 'realtime_channel_modified_idx' => array('modified'),
+                'realtime_channel_page_idx' => array('action', 'arg1', 'arg2')
             ),
         );
     }