diff --git a/system/defines.php b/system/defines.php
index 4413c4a24..19ee8bf43 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -7,7 +7,7 @@ define('DS', '/');
 
 // Directories and Paths
 if (!defined('GRAV_ROOT')) {
-    define('GRAV_ROOT', getcwd());
+    define('GRAV_ROOT', str_replace(DIRECTORY_SEPARATOR, DS, getcwd()));
 }
 define('ROOT_DIR', GRAV_ROOT . '/');
 define('USER_PATH', 'user/');