diff --git a/inc/core/lib/License.php b/inc/core/lib/License.php
index ff8fec4..ca42fc6 100644
--- a/inc/core/lib/License.php
+++ b/inc/core/lib/License.php
@@ -33,7 +33,7 @@ class License
             return License::FREE;
         }
 
-        if ($license[0] == md5($license[1].$license[2].$license[3].domain(false))) {
+        if ($license[0] == md5($license[1].$license[2].$license[3].domain(false, true))) {
             if (time() < $license[4] || strtotime("-48 hours") > $license[4]) {
                 if (self::remoteCheck($license)) {
                     self::update($license);
diff --git a/inc/core/lib/functions.php b/inc/core/lib/functions.php
index 2cbcda5..cbcf13f 100644
--- a/inc/core/lib/functions.php
+++ b/inc/core/lib/functions.php
@@ -250,15 +250,21 @@ function url($data = null)
  *
  * @return string
  */
-function domain($with_protocol = true)
+function domain($with_protocol = true, $cut_www = false)
 {
     $url = parse_url(url());
 
-    if ($with_protocol) {
-        return $url['scheme'].'://'.$url['host'];
+    if ($cut_www) {
+        $host = str_replace('www.', null, $url['host']);
+    } else {
+        $host = $url['host'];
     }
 
-    return $url['host'];
+    if ($with_protocol) {
+        return $url['scheme'].'://'.$host;
+    }
+
+    return $host;
 }
 
 /**