Index: wp-includes/user.php
===================================================================
--- wp-includes/user.php	(revision 17521)
+++ wp-includes/user.php	(working copy)
@@ -654,6 +654,7 @@
 	if ( !is_multisite() ) {
 		$blog_id = get_current_blog_id();
 		$blogs = array();
+		$blogs[ $blog_id ] = new stdClass();
 		$blogs[ $blog_id ]->userblog_id = $blog_id;
 		$blogs[ $blog_id ]->blogname = get_option('blogname');
 		$blogs[ $blog_id ]->domain = '';
@@ -702,6 +703,7 @@
 	foreach ( (array) $blogs as $blog_id ) {
 		$blog = get_blog_details( $blog_id );
 		if ( $blog && isset( $blog->domain ) && ( $all == true || $all == false && ( $blog->archived == 0 && $blog->spam == 0 && $blog->deleted == 0 ) ) ) {
+			$blog_deets[ $blog_id ] = new stdClass();
 			$blog_deets[ $blog_id ]->userblog_id	= $blog_id;
 			$blog_deets[ $blog_id ]->blogname		= $blog->blogname;
 			$blog_deets[ $blog_id ]->domain		= $blog->domain;