diff --git a/workflow/engine/methods/cases/proxyCasesList.php b/workflow/engine/methods/cases/proxyCasesList.php
index 011793889..3cb23c7b9 100755
--- a/workflow/engine/methods/cases/proxyCasesList.php
+++ b/workflow/engine/methods/cases/proxyCasesList.php
@@ -15,6 +15,7 @@ $action = isset( $_GET["action"] ) ? $_GET["action"] : (isset( $_POST["action"]
 $type = isset( $_GET["type"] ) ? $_GET["type"] : (isset( $_POST["type"] ) ? $_POST["type"] : "extjs");
 $dateFrom = isset( $_POST["dateFrom"] ) ? substr( $_POST["dateFrom"], 0, 10 ) : "";
 $dateTo = isset( $_POST["dateTo"] ) ? substr( $_POST["dateTo"], 0, 10 ) : "";
+$first = isset( $_POST["first"] ) ? true :false;
 
 try {
     $userUid = (isset($_SESSION["USER_LOGGED"]) && $_SESSION["USER_LOGGED"] != "")? $_SESSION["USER_LOGGED"] : null;
@@ -24,6 +25,13 @@ try {
     switch ($action) {
         case "search":
         case "to_reassign":
+            if ($first) {
+                $result['totalCount'] = 0;
+                $result['data'] = array();
+                $result = G::json_encode($result);
+                echo $result;
+                return ;
+            }
             $user = ($user == "CURRENT_USER")? $userUid : $user;
             $userUid = $user;
             break;
diff --git a/workflow/engine/templates/cases/casesList.js b/workflow/engine/templates/cases/casesList.js
index c2968b287..db75fea28 100644
--- a/workflow/engine/templates/cases/casesList.js
+++ b/workflow/engine/templates/cases/casesList.js
@@ -1951,7 +1951,14 @@ var gridForm = new Ext.FormPanel({
     storeCases.setBaseParam("action", action);
     storeCases.setBaseParam("start", 0);
     storeCases.setBaseParam("limit", pageSize);
-    storeCases.load();
+
+    if (action != 'search') {
+        storeCases.load();
+    } else {
+        storeCases.load( {params: { first: true}} );
+        PMExt.notify_time_out = 5;
+        PMExt.notify(_('ID_ADVANCEDSEARCH'), _('ID_ENTER_SEARCH_CRITERIA'));
+    }
     //newPopUp.add(reassignGrid);
     newPopUp.add(gridForm);
     newPopUp.addButton(btnExecReassignSelected);