diff --git a/application/controllers/admin/participantsaction.php b/application/controllers/admin/participantsaction.php
index 13bc7936f3e..508aeeb1212 100644
--- a/application/controllers/admin/participantsaction.php
+++ b/application/controllers/admin/participantsaction.php
@@ -810,9 +810,12 @@ function getParticipants_json($search = null)
                 // Super admin
                 $sCanEdit = "true";
             }
+            if (trim($row['ownername'])=='') {
+                $row['ownername']=$row['username'];   
+            }
             $aRowToAdd['cell'] = array($row['participant_id'], $sCanEdit, $row['firstname'], $row['lastname'], $row['email'], $row['blacklisted'], $row['survey'], $row['language'], $row['ownername']);
             $aRowToAdd['id'] = $row['participant_id'];
-            unset($row['participant_id'], $row['firstname'], $row['lastname'], $row['email'], $row['blacklisted'], $row['language'],$row['ownername'],$row['owner_uid'], $row['can_edit']);
+            unset($row['participant_id'], $row['firstname'], $row['lastname'], $row['email'], $row['blacklisted'], $row['language'],$row['ownername'],$row['owner_uid'], $row['can_edit'], $row['survey'], $row['username']);
             foreach($row as $key=>$attvalue)
             {
               $aRowToAdd['cell'][] = $attvalue;
diff --git a/application/models/Participants.php b/application/models/Participants.php
index 2c276ffcbe4..ac4a6787203 100644
--- a/application/models/Participants.php
+++ b/application/models/Participants.php
@@ -266,6 +266,8 @@ private function getParticipantsSelectCommand($count = false, $attid, $search =
         
         $selectValue[] = "p.*";
         $selectValue[] = "luser.full_name as ownername";
+        $selectValue[] = "luser.users_name as username";
+        
         
         // Add survey count subquery
         $subQuery = Yii::app()->db->createCommand()