diff --git a/libs/system.php b/libs/system.php
index b814432..62ca9cc 100644
--- a/libs/system.php
+++ b/libs/system.php
@@ -7,20 +7,11 @@ $hostname = php_uname('n');
 // OS
 if (!($os = shell_exec('/usr/bin/lsb_release -ds')))
 {
-    if (!($os = shell_exec('cat /etc/fedora-release')))
+    if(!($os = shell_exec('cat /etc/system-release'))) 
     {
-        if (!($os = shell_exec('cat /etc/redhat-release')))
+        if (!($os = shell_exec('find /etc/*-release -type f -exec cat {} \; | grep NAME | tail -n 1 | cut -d= -f2 | tr -d \'"\'')))
         {
-            if (!($os = shell_exec('cat /etc/mandriva-release')))
-            {
-                if (!($os = shell_exec('cat /etc/SuSE-release')))
-                {
-                    if (!($os = shell_exec('cat /etc/centos-release')))
-                    {
-                        $os = 'N.A';
-                    }
-                }
-            }
+            $os = 'N.A';
         }
     }
 }