diff --git a/workflow/engine/methods/cases/ajaxListener.php b/workflow/engine/methods/cases/ajaxListener.php
index dc1e5a4d9..bc66b38e3 100755
--- a/workflow/engine/methods/cases/ajaxListener.php
+++ b/workflow/engine/methods/cases/ajaxListener.php
@@ -506,8 +506,11 @@ class Ajax
             print G::json_encode( $response );
             die();
         }
+        G::LoadClass( 'tasks' );
+        $task = new Task();
+        $tasks = $task->load($_SESSION['TASK']);
         $case = new Cases();
-        $result->data = $case->getUsersToReassign($_SESSION['TASK'], $_SESSION['USER_LOGGED'], $_SESSION['PROCESS']);
+        $result->data = $case->getUsersToReassign($_SESSION['TASK'], $_SESSION['USER_LOGGED'], $tasks['PRO_UID']);
 
         print G::json_encode($result);
     }