diff --git a/application/controllers/admin/participantsaction.php b/application/controllers/admin/participantsaction.php
index f34a7bfc420..7448866d08c 100644
--- a/application/controllers/admin/participantsaction.php
+++ b/application/controllers/admin/participantsaction.php
@@ -1047,6 +1047,7 @@ function subval_sort($a, $subkey, $order)
         if (Yii::app()->session['USER_RIGHT_SUPERADMIN'])
         {
             $records = Participants::model()->getParticipants($page, $limit);
+            $aData =  new stdClass;
             $aData->page = $page;
             $aData->records = Participants::model()->count();
             $aData->total = ceil($aData->records / $limit);