diff --git a/wp-admin/admin-ajax.php b/wp-admin/admin-ajax.php
index 4e98d43e18..57ae7fea7b 100644
--- a/wp-admin/admin-ajax.php
+++ b/wp-admin/admin-ajax.php
@@ -17,8 +17,25 @@ define('WP_ADMIN', true);
require_once('../wp-load.php');
require_once('includes/admin.php');
-if ( !is_user_logged_in() )
+if ( ! is_user_logged_in() ) {
+
+ if ( $_POST['action'] == 'autosave' ) {
+ $id = isset($_POST['post_ID'])? (int) $_POST['post_ID'] : 0;
+
+ if ( ! $id )
+ die('-1');
+
+ $message = sprintf( __('ALERT: You are logged out! Could not save draft. Please log in again.'), wp_login_url() );
+ $x = new WP_Ajax_Response( array(
+ 'what' => 'autosave',
+ 'id' => $id,
+ 'data' => $message
+ ) );
+ $x->send();
+ }
+
die('-1');
+}
if ( isset($_GET['action']) && 'ajax-tag-search' == $_GET['action'] ) {
if ( !current_user_can( 'manage_categories' ) )
@@ -955,4 +972,4 @@ default :
die('0');
break;
endswitch;
-?>
\ No newline at end of file
+?>