diff --git a/workflow/engine/methods/cases/cases_ShowOutputDocument.php b/workflow/engine/methods/cases/cases_ShowOutputDocument.php
index 8d085a335..3e575060b 100644
--- a/workflow/engine/methods/cases/cases_ShowOutputDocument.php
+++ b/workflow/engine/methods/cases/cases_ShowOutputDocument.php
@@ -1,14 +1,20 @@
 <?php
-if (!isset($_SESSION['USER_LOGGED'])) {
-    if ((isset( $_POST['request'] )) && ($_POST['request'] == true)) {
-        $response = new stdclass();
-        $response->message = G::LoadTranslation('ID_LOGIN_AGAIN1');
-        $response->lostSession = true;
-        print G::json_encode( $response );
-        die();
+if (isset($_REQUEST['actionAjax']) && $_REQUEST['actionAjax'] == "verifySession" ) {
+    if (!isset($_SESSION['USER_LOGGED'])) {
+        if ((isset( $_POST['request'] )) && ($_POST['request'] == true)) {
+            $response = new stdclass();
+            $response->message = G::LoadTranslation('ID_LOGIN_AGAIN');
+            $response->lostSession = true;
+            print G::json_encode( $response );
+            die();
+        } else {
+            G::SendMessageText( G::LoadTranslation('ID_LOGIN_TO_SEE_OUTPUTDOCS'), "WARNING" );
+            G::header("location: " . "/");
+            die();
+        }
     } else {
-        G::SendMessageText( G::LoadTranslation('ID_LOGIN_TO_SEE_OUTPUTDOCS'), "WARNING" );
-        G::header("location: " . "/");
+        $response = new stdclass();
+        print G::json_encode( $response );
         die();
     }
 }