diff -r 835dd169642a -r cc7f082c5ef3 src/main/java/de/uapcore/lightpit/modules/ErrorModule.java
--- a/src/main/java/de/uapcore/lightpit/modules/ErrorModule.java	Wed May 13 18:55:05 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/modules/ErrorModule.java	Wed May 13 21:10:23 2020 +0200
@@ -59,17 +59,17 @@
         return ResponseType.HTML;
     }
 
-    @RequestMapping(requestPath = "404", method = HttpMethod.GET)
+    @RequestMapping(requestPath = "404.html", method = HttpMethod.GET)
     public ResponseType handle404(HttpServletRequest req) {
         return handle(req, 404);
     }
 
-    @RequestMapping(requestPath = "403", method = HttpMethod.GET)
+    @RequestMapping(requestPath = "403.html", method = HttpMethod.GET)
     public ResponseType handle403(HttpServletRequest req) {
         return handle(req, 403);
     }
 
-    @RequestMapping(requestPath = "500", method = HttpMethod.GET)
+    @RequestMapping(requestPath = "500.html", method = HttpMethod.GET)
     public ResponseType handle500(HttpServletRequest req) {
         return handle(req, 500);
     }