diff --git a/public_html/lists/admin/messages.php b/public_html/lists/admin/messages.php
index 4ffb2262f..58946451d 100644
--- a/public_html/lists/admin/messages.php
+++ b/public_html/lists/admin/messages.php
@@ -5,6 +5,7 @@
 $subselect = $whereClause = '';
 $action_result = '';
 $access = accessLevel('messages');
+$filterSelectDefault = ' --- filter --- ';
 
 $messageSortOptions = array(
     'subjectasc'  => array(