diff --git a/common.php b/common.php
index 307dbdbcd..7993d7b56 100644
--- a/common.php
+++ b/common.php
@@ -13,6 +13,7 @@ if (isset($_REQUEST['GLOBALS'])) {
 
 define('TIMESTART', utime());
 define('TIMENOW', time());
+define('BB_PATH', __DIR__);
 
 if (empty($_SERVER['REMOTE_ADDR'])) {
     $_SERVER['REMOTE_ADDR'] = '127.0.0.1';
@@ -42,13 +43,13 @@ if (isset($_SERVER['HTTP_CF_CONNECTING_IP'])) {
 }
 
 // Get all constants
-require_once __DIR__ . '/library/defines.php';
+require_once BB_PATH . '/library/defines.php';
 
 // Composer
-if (!file_exists(__DIR__ . '/vendor/autoload.php')) {
+if (!file_exists(BB_PATH . '/vendor/autoload.php')) {
     die('Please <a href="https://getcomposer.org/download/" target="_blank" rel="noreferrer" style="color:#0a25bb;">install composer</a> and run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">composer install</code>');
 }
-require_once __DIR__ . '/vendor/autoload.php';
+require_once BB_PATH . '/vendor/autoload.php';
 
 /**
  * Gets the value of an environment variable.
@@ -63,13 +64,13 @@ function env(string $key, $default = null)
 }
 
 // Get initial config
-$dotenv = Dotenv\Dotenv::createMutable(__DIR__);
+$dotenv = Dotenv\Dotenv::createMutable(BB_PATH);
 $dotenv->safeLoad();
-require_once __DIR__ . '/library/config.php';
+require_once BB_PATH . '/library/config.php';
 
 // Local config
-if (file_exists(__DIR__ . '/library/config.local.php')) {
-    require_once __DIR__ . '/library/config.local.php';
+if (file_exists(BB_PATH . '/library/config.local.php')) {
+    require_once BB_PATH . '/library/config.local.php';
 }
 
 /**
diff --git a/library/defines.php b/library/defines.php
index b7a4d674c..ab80390ca 100644
--- a/library/defines.php
+++ b/library/defines.php
@@ -11,11 +11,6 @@ if (!defined('BB_ROOT')) {
     die(basename(__FILE__));
 }
 
-// Root path
-$rootPath = __DIR__;
-if (DIRECTORY_SEPARATOR != '/') $rootPath = str_replace(DIRECTORY_SEPARATOR, '/', $rootPath);
-define('BB_PATH', dirname($rootPath));
-
 // System
 define('CHECK_REQIREMENTS', [
     'status' => true,