diff --git a/classes/useragent.class.php b/classes/useragent.class.php
index 35077ed9..7da6e1e8 100644
--- a/classes/useragent.class.php
+++ b/classes/useragent.class.php
@@ -82,6 +82,7 @@ class UserAgent {
 		'win95'				=> 'Windows 95',
 		'win16'				=> 'Windows 3.1',
 		//'windows'			=> 'Windows',
+		'cros'				=> 'Chrome OS',
 		//OS X
 		'os x'				=> 'Mac OS X',
 		'macintosh'			=> 'Mac OS X',
diff --git a/sections/user/user.php b/sections/user/user.php
index 0ae7b4d2..75c14983 100644
--- a/sections/user/user.php
+++ b/sections/user/user.php
@@ -1,5 +1,5 @@
 <?
-if (empty($_GET['id']) || !is_numeric($_GET['id']) || (!empty($_GET['preview']) && !is_numeric($_GET['preview']))) {
+if (empty($_GET['id']) || !is_number($_GET['id']) || (!empty($_GET['preview']) && !is_number($_GET['preview']))) {
 	error(404);
 }
 $UserID = $_GET['id'];