diff --git a/_config.php b/_config.php
index c6093d41..6e95a905 100644
--- a/_config.php
+++ b/_config.php
@@ -1,5 +1,12 @@
 <?php
 
+/**
+ * - CMS_DIR: Path relative to webroot, e.g. "cms"
+ * - CMS_PATH: Absolute filepath, e.g. "/var/www/my-webroot/cms"
+ */
+define('CMS_DIR', 'cms');
+define('CMS_PATH', BASE_PATH . '/' . CMS_DIR);
+
 /**
  * Extended URL rules for the CMS module
  * 
@@ -42,4 +49,4 @@ CMSMenu::remove_menu_item('CMSPageSettingsController');
 CMSMenu::remove_menu_item('CMSPageHistoryController');
 CMSMenu::remove_menu_item('CMSPageReportsController');
 CMSMenu::remove_menu_item('CMSPageAddController');
-CMSMenu::remove_menu_item('CMSFileAddController');
\ No newline at end of file
+CMSMenu::remove_menu_item('CMSFileAddController');