diff --git a/system/admin/admin.php b/system/admin/admin.php
index 488dc0d..3f6ffb3 100644
--- a/system/admin/admin.php
+++ b/system/admin/admin.php
@@ -19,7 +19,7 @@ function session($user, $pass, $str = null) {
 		
 		if(file_exists($user_file)) {
 			if($pass === $user_pass) {
-				$_SESSION['user'] = $user;
+				$_SESSION[config("site.url")]['user'] = $user;
 				header('location: admin');
 			}
 			else {
@@ -322,7 +322,7 @@ function get_feed($feed_url, $credit, $message=null) {
 			$tags = strip_tags(preg_replace(array('/[^a-zA-Z0-9,.\-\p{L}]/u', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($entry->category)));
 			$title = rtrim($entry->title, ' \,\.\-');
 			$title = ltrim($title, ' \,\.\-');
-			$user = $_SESSION['user'];
+			$user = $_SESSION[config("site.url")]['user'];
 			$url = strtolower(preg_replace(array('/[^a-zA-Z0-9 \-\p{L}]/u', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($title))); 
 			if ($credit == 'yes') {
 				$source = $entry->link;
@@ -341,8 +341,8 @@ function get_feed($feed_url, $credit, $message=null) {
 
 // Get recent posts by user
 function get_recent_posts() {
-	if (isset($_SESSION['user'])) {
-		$posts = get_profile($_SESSION['user'], 1, 5);
+	if (isset($_SESSION[config("site.url")]['user'])) {
+		$posts = get_profile($_SESSION[config("site.url")]['user'], 1, 5);
 		if(!empty($posts)) {
 			echo '<table class="post-list">';
 			echo '<tr class="head"><th>Title</th><th>Published</th><th>Tag</th><th>Operations</th></tr>';
@@ -372,7 +372,7 @@ function get_recent_posts() {
 
 // Get all static pages
 function get_recent_pages() {
-	if (isset($_SESSION['user'])) {
+	if (isset($_SESSION[config("site.url")]['user'])) {
 		$posts = get_static_post(null);
 		if(!empty($posts)) {
 			krsort($posts);
@@ -402,7 +402,7 @@ function get_recent_pages() {
 
 // Get all available zip files
 function get_backup_files () {
-	if (isset($_SESSION['user'])) {
+	if (isset($_SESSION[config("site.url")]['user'])) {
 		$files = get_zip_files();
 		if(!empty($files)) {
 			krsort($files);
diff --git a/system/admin/views/edit-profile.html.php b/system/admin/views/edit-profile.html.php
index 6169d7d..ef1971c 100644
--- a/system/admin/views/edit-profile.html.php
+++ b/system/admin/views/edit-profile.html.php
@@ -1,7 +1,7 @@
 <?php
 
-	if(isset($_SESSION['user'])) {
-		$user = $_SESSION['user'];
+	if(isset($_SESSION[config("site.url")]['user'])) {
+		$user = $_SESSION[config("site.url")]['user'];
 	}
 	
 	$filename = 'content/' . $user . '/author.md';
diff --git a/system/htmly.php b/system/htmly.php
index c04412f..2ceae1a 100644
--- a/system/htmly.php
+++ b/system/htmly.php
@@ -156,7 +156,7 @@ get('/:year/:month/:name/edit', function($year, $month, $name){
 
 	if(login()) {
 	
-		$user = $_SESSION['user'];
+		$user = $_SESSION[config("site.url")]['user'];
 		$role = user('role', $user);
 
 		config('views.root', 'system/admin/views');
@@ -242,7 +242,7 @@ get('/:year/:month/:name/delete', function($year, $month, $name){
 
 	if(login()) {
 	
-		$user = $_SESSION['user'];
+		$user = $_SESSION[config("site.url")]['user'];
 		$role = user('role', $user);
 	
 		config('views.root', 'system/admin/views');
@@ -357,7 +357,7 @@ get('/edit/profile', function(){
 // Get edited data for static page
 post('/edit/profile', function() {
 
-	$user = $_SESSION['user'];
+	$user = $_SESSION[config("site.url")]['user'];
 	$title = from($_REQUEST, 'title');
 	$content = from($_REQUEST, 'content');
 	if(!empty($title) && !empty($content)) {
@@ -387,7 +387,7 @@ post('/edit/profile', function() {
 
 get('/admin/posts', function () {
 
-	$user = $_SESSION['user'];
+	$user = $_SESSION[config("site.url")]['user'];
 	$role = user('role', $user);
 	if(login()) {
 	
@@ -449,7 +449,7 @@ get('/admin/mine', function(){
 
 		config('views.root', 'system/admin/views');
 
-		$profile = $_SESSION['user'];
+		$profile = $_SESSION[config("site.url")]['user'];
 
 		$page = from($_GET, 'page');
 		$page = $page ? (int)$page : 1;
@@ -729,7 +729,7 @@ post('/add/post', function(){
 	$tag = from($_REQUEST, 'tag');
 	$url = from($_REQUEST, 'url');
 	$content = from($_REQUEST, 'content');
-	$user = $_SESSION['user'];
+	$user = $_SESSION[config("site.url")]['user'];
 	if(!empty($title) && !empty($tag) && !empty($content)) {
 		if(!empty($url)) {
 			add_post($title, $tag, $url, $content, $user);
diff --git a/system/includes/functions.php b/system/includes/functions.php
index 17ec99c..f2fcccc 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -894,7 +894,7 @@ function get_thumbnail($text) {
 
 // Return edit tab on post
 function tab($p) {
-	$user = $_SESSION['user'];
+	$user = $_SESSION[config("site.url")]['user'];
 	$role = user('role', $user);
 	if(isset($p->author)) {
 		if ($user === $p->author || $role === 'admin') {
@@ -1669,7 +1669,7 @@ function head_contents($title, $description, $canonical) {
 
 // Return toolbar
 function toolbar() {
-	$user = $_SESSION['user'];
+	$user = $_SESSION[config("site.url")]['user'];
 	$role = user('role', $user);
 	$base = site_url();
 	
diff --git a/system/includes/session.php b/system/includes/session.php
index 8aa8c5a..e498bdc 100644
--- a/system/includes/session.php
+++ b/system/includes/session.php
@@ -4,7 +4,7 @@ session_start();
 
 function login() {
 	
-	if(isset($_SESSION['user']) && !empty($_SESSION['user'])) {
+	if(isset($_SESSION[config("site.url")]['user']) && !empty($_SESSION[config("site.url")]['user'])) {
 		return true;
 	}
 	else {