diff --git a/etc/inc/openvpn.auth-user.php b/etc/inc/openvpn.auth-user.php
index 2ddadca5fe..326f788727 100755
--- a/etc/inc/openvpn.auth-user.php
+++ b/etc/inc/openvpn.auth-user.php
@@ -57,11 +57,10 @@ function getNasID()
 {
     global $g;
 
-    $nasId = "";
-    exec("/bin/hostname", $nasId);
-    if(!$nasId[0])
-        $nasId[0] = "{$g['product_name']}";
-    return $nasId[0];
+    $nasId = gethostname();
+    if(empty($nasId))
+        $nasId = $g['product_name'];
+    return $nasId;
 }
 }