diff --git a/application/libraries/issues/resolvers/CORE_INOUT_0002.php b/application/libraries/issues/resolvers/CORE_INOUT_0002.php
index 9868ccd25..1bd130f18 100644
--- a/application/libraries/issues/resolvers/CORE_INOUT_0002.php
+++ b/application/libraries/issues/resolvers/CORE_INOUT_0002.php
@@ -1,5 +1,7 @@
 <?php
 
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
 /**
  * More than one Zweck for incoming
  */