diff --git a/lib.php b/lib.php
index 7cd40ad..fb3fe61 100644
--- a/lib.php
+++ b/lib.php
@@ -1,5 +1,9 @@
 <?php
-if ( ! defined('INCLUDER') { exit(0); }
+if ( ! defined('INCLUDER') { 
+    header("HTTP/1.1 403 Forbidden");
+    echo "Forbidden";
+    exit(0); 
+}
 
 if(getenv('DBNAME') === false){
     require_once __DIR__ . '/bootstrap.php';