diff --git a/wp-admin/admin-ajax.php b/wp-admin/admin-ajax.php
index 16cd1c7b41..46c09508d2 100644
--- a/wp-admin/admin-ajax.php
+++ b/wp-admin/admin-ajax.php
@@ -18,7 +18,7 @@ define( 'WP_ADMIN', true );
 
 // Require an action parameter
 if ( empty( $_REQUEST['action'] ) )
-    die( '-1' );
+    die( '0' );
 
 /** Load WordPress Bootstrap */
 require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
@@ -63,4 +63,4 @@ else
     do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'], $_REQUEST['action'] ); // Non-admin actions
 
 // Default status
-die( '-1' );
\ No newline at end of file
+die( '0' );