diff --git a/register.php b/register.php
index 3b91194..75bd6d9 100644
--- a/register.php
+++ b/register.php
@@ -8,7 +8,7 @@
 
     require_once('includes.inc.php');
     define('PATTERN', '/^[a-zA-Z0-9 ]{6,20}$/');
-    $data = null;
+    $data = '';
     $error = 0;
     $name = $_GET['name'];
     $uid = md5(uniqid(rand(), true));