Index: wp-admin/network/edit.php
===================================================================
--- wp-admin/network/edit.php	(revision 18562)
+++ wp-admin/network/edit.php	(working copy)
@@ -14,7 +14,7 @@
 	wp_die( __( 'Multisite support is not enabled.' ) );
 
 if ( empty( $_GET['action'] ) ) {
-	wp_redirect( admin_url( 'index.php' ) );
+	wp_redirect( network_admin_url( 'index.php' ) );
 	exit;
 }