diff --git a/index.php b/index.php
index 6fec0de8..be5ba4e4 100644
--- a/index.php
+++ b/index.php
@@ -20,15 +20,16 @@ $loadTime = microtime(true);
 // Security constant
 define('BLUDIT', true);
 
+// Directory separator
+define('DS', DIRECTORY_SEPARATOR);
+
 // PHP paths
-define('PATH_ROOT', __DIR__.'/');
-define('PATH_BOOT',	PATH_ROOT.'kernel/boot/');
+define('PATH_ROOT', __DIR__.DS);
+define('PATH_BOOT',	PATH_ROOT.'kernel'.DS.'boot'.DS);
 
 // Init
 require(PATH_BOOT.'init.php');
 
-
-
 // Admin area
 if($Url->whereAmI()==='admin')
 {
diff --git a/install.php b/install.php
index 8812670b..e19a6504 100644
--- a/install.php
+++ b/install.php
@@ -2,17 +2,20 @@
 // Security constant
 define('BLUDIT', true);
 
+// Directory separator
+define('DS', DIRECTORY_SEPARATOR);
+
 // PATHs
-define('PATH_ROOT',					__DIR__.'/');
-define('PATH_CONTENT',				PATH_ROOT.'content/');
-define('PATH_POSTS',                PATH_CONTENT.'posts/');
-define('PATH_UPLOADS',              PATH_CONTENT.'uploads/');
-define('PATH_PAGES',				PATH_CONTENT.'pages/');
-define('PATH_DATABASES',			PATH_CONTENT.'databases/');
-define('PATH_PLUGINS_DATABASES',	PATH_CONTENT.'databases/plugins/');
+define('PATH_ROOT',					__DIR__.DS);
+define('PATH_CONTENT',				PATH_ROOT.'content'.DS);
+define('PATH_POSTS',                PATH_CONTENT.'posts'.DS);
+define('PATH_UPLOADS',              PATH_CONTENT.'uploads'.DS);
+define('PATH_PAGES',				PATH_CONTENT.'pages'.DS);
+define('PATH_DATABASES',			PATH_CONTENT.'databases'.DS);
+define('PATH_PLUGINS_DATABASES',	PATH_CONTENT.'databases'.DS.'plugins'.DS);
 define('DOMAIN',                    getenv('HTTP_HOST'));
 
-$base = (dirname(getenv('SCRIPT_NAME'))=='/')?'/':dirname(getenv('SCRIPT_NAME')).'/';
+$base = (dirname(getenv('SCRIPT_NAME'))==DS)?DS:dirname(getenv('SCRIPT_NAME')).DS;
 define('HTML_PATH_ROOT', $base);
 
 if(!defined('JSON_PRETTY_PRINT')) {
@@ -200,7 +203,7 @@ function install($adminPassword, $email)
     $data = 'Title: Error
     Content: The page has not been found.';
 
-    file_put_contents(PATH_PAGES.'error/index.txt', $data, LOCK_EX);
+    file_put_contents(PATH_PAGES.'error'.DS.'index.txt', $data, LOCK_EX);
 
 // File index.txt for welcome post
 $data = 'title: First post
@@ -217,7 +220,7 @@ What\'s next:
 - Read the documentation for more information
 - Share with your friend :D';
 
-    file_put_contents(PATH_POSTS.$firstPostSlug.'/index.txt', $data, LOCK_EX);
+    file_put_contents(PATH_POSTS.$firstPostSlug.DS.'index.txt', $data, LOCK_EX);
 
     return true;
 }
@@ -319,4 +322,4 @@ if( $_SERVER['REQUEST_METHOD'] == 'POST' )
     </div>
 </div>
 </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/kernel/abstract/filecontent.class.php b/kernel/abstract/filecontent.class.php
index e19eea4a..439635a6 100644
--- a/kernel/abstract/filecontent.class.php
+++ b/kernel/abstract/filecontent.class.php
@@ -38,7 +38,7 @@ class fileContent
 
 	private function build($pathSlug)
 	{
-		if( !Sanitize::pathFile($this->path.$pathSlug.'/', 'index.txt') ) {
+		if( !Sanitize::pathFile($this->path.$pathSlug.DS, 'index.txt') ) {
 			return false;
 		}
 
@@ -49,7 +49,7 @@ class fileContent
 		$this->setField('key', $pathSlug);
 
 		$tmp = 0;
-		$lines = file($this->path.$pathSlug.'/index.txt');
+		$lines = file($this->path.$pathSlug.DS.'index.txt');
 		foreach($lines as $lineNumber=>$line)
 		{
 			$parts = array_map('trim', explode(':', $line, 2));
diff --git a/kernel/boot/admin.php b/kernel/boot/admin.php
index 8009cff7..ca65f8fb 100644
--- a/kernel/boot/admin.php
+++ b/kernel/boot/admin.php
@@ -50,14 +50,14 @@ else
 	}
 
 	// Admin theme init.php
-	if( Sanitize::pathFile(PATH_ADMIN_THEMES, $Site->adminTheme().'/init.php') )
-		include(PATH_ADMIN_THEMES.$Site->adminTheme().'/init.php');
+	if( Sanitize::pathFile(PATH_ADMIN_THEMES, $Site->adminTheme().DS.'init.php') )
+		include(PATH_ADMIN_THEMES.$Site->adminTheme().DS.'init.php');
 
 	// Load controller
 	if( Sanitize::pathFile(PATH_ADMIN_CONTROLLERS, $layout['controller'].'.php') )
 		include(PATH_ADMIN_CONTROLLERS.$layout['controller'].'.php');
 
 	// Load view and theme
-	if( Sanitize::pathFile(PATH_ADMIN_THEMES, $Site->adminTheme().'/'.$layout['template']) )
-		include(PATH_ADMIN_THEMES.$Site->adminTheme().'/'.$layout['template']);
+	if( Sanitize::pathFile(PATH_ADMIN_THEMES, $Site->adminTheme().DS.$layout['template']) )
+		include(PATH_ADMIN_THEMES.$Site->adminTheme().DS.$layout['template']);
 }
diff --git a/kernel/boot/init.php b/kernel/boot/init.php
index c84b6bc9..a27f6d32 100644
--- a/kernel/boot/init.php
+++ b/kernel/boot/init.php
@@ -1,32 +1,34 @@
 <?php defined('BLUDIT') or die('Bludit CMS.');
 
-// PHP PATHS
-define('PATH_LANGUAGES',			PATH_ROOT.'languages/');
-define('PATH_THEMES',				PATH_ROOT.'themes/');
-define('PATH_PLUGINS',				PATH_ROOT.'plugins/');
-
-define('PATH_KERNEL',				PATH_ROOT.'kernel/');
-define('PATH_ABSTRACT',				PATH_ROOT.'kernel/abstract/');
-define('PATH_RULES',				PATH_ROOT.'kernel/boot/rules/');
-define('PATH_HELPERS',				PATH_ROOT.'kernel/helpers/');
-define('PATH_AJAX',					PATH_ROOT.'kernel/ajax/');
-define('PATH_JS',					PATH_ROOT.'kernel/js/');
-
-define('PATH_CONTENT',				PATH_ROOT.'content/');
-define('PATH_POSTS',				PATH_CONTENT.'posts/');
-define('PATH_PAGES',				PATH_CONTENT.'pages/');
-define('PATH_DATABASES',			PATH_CONTENT.'databases/');
-define('PATH_PLUGINS_DATABASES',	PATH_CONTENT.'databases/plugins/');
-define('PATH_UPLOADS',				PATH_CONTENT.'uploads/');
-
-define('PATH_ADMIN_THEMES',			PATH_ROOT.'admin/themes/');
-define('PATH_ADMIN_CONTROLLERS',	PATH_ROOT.'admin/controllers/');
-define('PATH_ADMIN_VIEWS',			PATH_ROOT.'admin/views/');
-
-// Log
 // Log separator
 define('LOG_SEP', ' | ');
 
+// PHP PATHS
+
+// PATH_ROOT and PATH_BOOT are defined in index.php
+define('PATH_LANGUAGES',			PATH_ROOT.'languages'.DS);
+define('PATH_THEMES',				PATH_ROOT.'themes'.DS);
+define('PATH_PLUGINS',				PATH_ROOT.'plugins'.DS);
+
+define('PATH_KERNEL',				PATH_ROOT.'kernel'.DS);
+define('PATH_ABSTRACT',				PATH_KERNEL.'abstract'.DS);
+define('PATH_RULES',				PATH_KERNEL.'boot'.DS.'rules'.DS);
+define('PATH_HELPERS',				PATH_KERNEL.'helpers'.DS);
+define('PATH_AJAX',					PATH_KERNEL.'ajax'.DS);
+define('PATH_JS',					PATH_KERNEL.'js'.DS);
+
+define('PATH_CONTENT',				PATH_ROOT.'content'.DS);
+define('PATH_POSTS',				PATH_CONTENT.'posts'.DS);
+define('PATH_PAGES',				PATH_CONTENT.'pages'.DS);
+define('PATH_DATABASES',			PATH_CONTENT.'databases'.DS);
+define('PATH_PLUGINS_DATABASES',	PATH_CONTENT.'databases'.DS.'plugins'.DS);
+define('PATH_UPLOADS',				PATH_CONTENT.'uploads'.DS);
+
+define('PATH_ADMIN',				PATH_ROOT.'admin'.DS);
+define('PATH_ADMIN_THEMES',			PATH_ADMIN.'themes'.DS);
+define('PATH_ADMIN_CONTROLLERS',	PATH_ADMIN.'controllers'.DS);
+define('PATH_ADMIN_VIEWS',			PATH_ADMIN.'views'.DS);
+
 // JSON pretty print
 if(!defined('JSON_PRETTY_PRINT')) {
 	define('JSON_PRETTY_PRINT', 128);
diff --git a/kernel/boot/site.php b/kernel/boot/site.php
index a8f39bb4..d4d18c12 100644
--- a/kernel/boot/site.php
+++ b/kernel/boot/site.php
@@ -7,9 +7,9 @@ include(PATH_RULES.'80.plugins.php');
 include(PATH_RULES.'99.header.php');
 
 // Theme init.php
-if( Sanitize::pathFile(PATH_THEMES, $Site->theme().'/init.php') )
-	include(PATH_THEMES.$Site->theme().'/init.php');
+if( Sanitize::pathFile(PATH_THEMES, $Site->theme().DS.'init.php') )
+	include(PATH_THEMES.$Site->theme().DS.'init.php');
 
 // Theme HTML
-if( Sanitize::pathFile(PATH_THEMES, $Site->theme().'/index.php') )
-	include(PATH_THEMES.$Site->theme().'/index.php');
+if( Sanitize::pathFile(PATH_THEMES, $Site->theme().DS.'index.php') )
+	include(PATH_THEMES.$Site->theme().DS.'index.php');
diff --git a/kernel/page.class.php b/kernel/page.class.php
index 5441bb0f..ea33db56 100644
--- a/kernel/page.class.php
+++ b/kernel/page.class.php
@@ -146,7 +146,7 @@ class Page extends fileContent
 	public function children()
 	{
 		$tmp = array();
-		$paths = glob(PATH_PAGES.$this->getField('key').'/*', GLOB_ONLYDIR);
+		$paths = glob(PATH_PAGES.$this->getField('key').DS.'*', GLOB_ONLYDIR);
 		foreach($paths as $path) {
 			array_push($tmp, basename($path));
 		}