diff --git a/plugins/Realtime/Realtime_channel.php b/plugins/Realtime/Realtime_channel.php
index 17d8504c05..63e4bfa13e 100644
--- a/plugins/Realtime/Realtime_channel.php
+++ b/plugins/Realtime/Realtime_channel.php
@@ -125,7 +125,7 @@ class Realtime_channel extends Managed_DataObject
 				    			    'description' => 'date this record was modified'),
             ),
             'primary key' => array('user_id', 'action', 'arg1', 'arg2'),
-            'unique keys' => array('channel_key'),
+            'unique keys' => array('realtime_channel_channel_key_idx' => array('channel_key')),
             'foreign keys' => array(
                 'realtime_channel_user_id_fkey' => array('user', array('user_id' => 'id')),
             ),