diff --git a/errpages/httperror.php b/errpages/httperror.php
index ea0b441..217db68 100644
--- a/errpages/httperror.php
+++ b/errpages/httperror.php
@@ -1,9 +1,10 @@
 <?php
+// uncomment for testing
+//define('_DEBUG', true);
+
 // (is part of the name for the image pool file)
 define('PAGE_ID', 'httperror');
 
-define('_DEBUG', true);
-
 // get ready...
 if(defined('_DEBUG') && _DEBUG === true) {
     $page_redirected_from = '/nowhere.html';