diff --git a/workflow/engine/skinEngine/neoclassic/error404.php b/workflow/engine/skinEngine/neoclassic/error404.php
index 53fe00a72..902042a09 100644
--- a/workflow/engine/skinEngine/neoclassic/error404.php
+++ b/workflow/engine/skinEngine/neoclassic/error404.php
@@ -1,4 +1,6 @@
-<?php http_response_code(404); die; ?>
+<?php if (function_exists("http_response_code")) {
+    http_response_code(404);
+}?>
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
   <META http-equiv="Content-Type" content="text/html; charset=utf-8" />
