diff --git a/workflow/engine/classes/class.case.php b/workflow/engine/classes/class.case.php
index ba01618e5..9141bd6f1 100755
--- a/workflow/engine/classes/class.case.php
+++ b/workflow/engine/classes/class.case.php
@@ -5751,7 +5751,7 @@ class Cases
      * @return array
      */
 
-    public function getHistoryMessagesTrackerExt($sApplicationUID, $start = null, $limit = null)
+    public function getHistoryMessagesTrackerExt($sApplicationUID, $onlyVisibles = false, $start = null, $limit = null)
     {
         G::LoadClass('ArrayPeer');
         global $_DBArray;
@@ -5759,6 +5759,9 @@ class Cases
         $oAppDocument = new AppDocument();
         $oCriteria = new Criteria('workflow');
         $oCriteria->add(AppMessagePeer::APP_UID, $sApplicationUID);
+        if ($onlyVisibles) {
+            $oCriteria->add(AppMessagePeer::APP_MSG_SHOW_MESSAGE, 1);
+        }
         $oCriteria->addAscendingOrderByColumn(AppMessagePeer::APP_MSG_DATE);
         if (!is_null($start)) {
             $oCriteria->setOffset($start);
diff --git a/workflow/engine/methods/cases/caseMessageHistory_Ajax.php b/workflow/engine/methods/cases/caseMessageHistory_Ajax.php
index b6ffff5ca..ba37d45e9 100644
--- a/workflow/engine/methods/cases/caseMessageHistory_Ajax.php
+++ b/workflow/engine/methods/cases/caseMessageHistory_Ajax.php
@@ -40,8 +40,8 @@ if ($actionAjax == 'messageHistoryGridList_JXP') {
     global $G_PUBLISH;
     $oCase = new Cases();
 
-    $appMessageArray = $oCase->getHistoryMessagesTrackerExt( $_SESSION['APPLICATION'], $_REQUEST['start'], $_REQUEST['limit']);
-    $appMessageCountArray = $oCase->getHistoryMessagesTrackerExt( $_SESSION['APPLICATION']);
+    $appMessageArray = $oCase->getHistoryMessagesTrackerExt( $_SESSION['APPLICATION'], true, $_REQUEST['start'], $_REQUEST['limit']);
+    $appMessageCountArray = $oCase->getHistoryMessagesTrackerExt( $_SESSION['APPLICATION'], true);
 
     $result = new stdClass();
     $aProcesses = Array ();