Index: src/wp-includes/ms-settings.php
===================================================================
--- src/wp-includes/ms-settings.php	(revision 28157)
+++ src/wp-includes/ms-settings.php	(working copy)
@@ -10,16 +10,8 @@
  * @since 3.0.0
  */
 
-/** Include Multisite initialization functions */
-require( ABSPATH . WPINC . '/ms-load.php' );
-require( ABSPATH . WPINC . '/ms-default-constants.php' );
 
-if ( defined( 'SUNRISE' ) )
-	include_once( WP_CONTENT_DIR . '/sunrise.php' );
 
-/** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */
-ms_subdomain_constants();
-
 if ( !isset( $current_site ) || !isset( $current_blog ) ) {
 
 	// Given the domain and path, let's try to identify the network and site.
Index: src/wp-settings.php
===================================================================
--- src/wp-settings.php	(revision 28157)
+++ src/wp-settings.php	(working copy)
@@ -91,6 +91,17 @@
 // Initialize multisite if enabled.
 if ( is_multisite() ) {
 	require( ABSPATH . WPINC . '/ms-blogs.php' );
+	/** Include Multisite initialization functions */
+	require( ABSPATH . WPINC . '/ms-load.php' );
+	require( ABSPATH . WPINC . '/ms-default-constants.php' );
+
+	if ( defined( 'SUNRISE' ) ) {
+		include_once( WP_CONTENT_DIR . '/sunrise.php' );
+	}
+
+	/** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */
+	ms_subdomain_constants();
+
 	require( ABSPATH . WPINC . '/ms-settings.php' );
 } elseif ( ! defined( 'MULTISITE' ) ) {
 	define( 'MULTISITE', false );