diff --git a/wp-admin/install.php b/wp-admin/install.php
index 7a0870705e..f9bfb095f3 100644
--- a/wp-admin/install.php
+++ b/wp-admin/install.php
@@ -39,7 +39,7 @@ require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
/** Load wpdb */
-require_once( ABSPATH . 'wp-includes/wp-db.php' );
+require_once( ABSPATH . WPINC . '/wp-db.php' );
$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
diff --git a/wp-admin/load-styles.php b/wp-admin/load-styles.php
index 64ae474199..2c3c5fb93b 100644
--- a/wp-admin/load-styles.php
+++ b/wp-admin/load-styles.php
@@ -92,8 +92,8 @@ function get_file($path) {
return @file_get_contents($path);
}
-require(ABSPATH . '/wp-includes/script-loader.php');
-require(ABSPATH . '/wp-includes/version.php');
+require( ABSPATH . WPINC . '/script-loader.php' );
+require( ABSPATH . WPINC . '/version.php' );
$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $_GET['load'] );
$load = array_unique( explode( ',', $load ) );
@@ -124,10 +124,10 @@ foreach( $load as $handle ) {
$content = get_file( $path ) . "\n";
- if ( strpos( $style->src, '/wp-includes/css/' ) === 0 ) {
- $content = str_replace( '../images/', '../wp-includes/images/', $content );
- $content = str_replace( '../js/tinymce/', '../wp-includes/js/tinymce/', $content );
- $content = str_replace( '../fonts/', '../wp-includes/fonts/', $content );
+ if ( strpos( $style->src, '/' . WPINC . '/css/' ) === 0 ) {
+ $content = str_replace( '../images/', '../' . WPINC . '/images/', $content );
+ $content = str_replace( '../js/tinymce/', '../' . WPINC . '/js/tinymce/', $content );
+ $content = str_replace( '../fonts/', '../' . WPINC . '/fonts/', $content );
$out .= $content;
} else {
$out .= str_replace( '../images/', 'images/', $content );
diff --git a/wp-admin/network.php b/wp-admin/network.php
index e848009cb5..05c9de99b2 100644
--- a/wp-admin/network.php
+++ b/wp-admin/network.php
@@ -439,7 +439,7 @@ define('BLOG_ID_CURRENT_SITE', 1);
$web_config_file .= '