diff --git a/xmlrpc.php b/xmlrpc.php
index 0c7846d51e..d2d8b88d22 100644
--- a/xmlrpc.php
+++ b/xmlrpc.php
@@ -441,6 +441,7 @@ class wp_xmlrpc_server extends IXR_Server {
 	 * @return array
 	 */
 	function wp_getUsersBlogs( $args ) {
+		global $current_site;
 		// If this isn't on WPMU then just use blogger_getUsersBlogs
 		if ( !is_multisite() ) {
 			array_unshift( $args, 1 );