diff --git a/src/Dispatcher.php b/src/Dispatcher.php
index 0426d825..c3a3d604 100644
--- a/src/Dispatcher.php
+++ b/src/Dispatcher.php
@@ -1,6 +1,9 @@
 <?php
 namespace Szurubooru;
 
+//if script fails prematurely, mark it as fail from advance
+http_response_code(500);
+
 final class Dispatcher
 {
 	private $router;