diff --git a/src/wp-includes/ms-load.php b/src/wp-includes/ms-load.php
index 7f9c28b2b6..759c2699d1 100644
--- a/src/wp-includes/ms-load.php
+++ b/src/wp-includes/ms-load.php
@@ -68,7 +68,6 @@ function wp_get_active_network_plugins() {
  * @return true|string Returns true on success, or drop-in file to include.
  */
 function ms_site_check() {
-	$blog = get_blog_details();
 
 	/**
 	 * Filters checking the status of the current blog.
@@ -85,6 +84,8 @@ function ms_site_check() {
 	if ( is_super_admin() )
 		return true;
 
+	$blog = get_blog_details();
+
 	if ( '1' == $blog->deleted ) {
 		if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) )
 			return WP_CONTENT_DIR . '/blog-deleted.php';