diff --git a/Docs/ServerConfig/hetzner/Caddyfile b/Docs/ServerConfig/hetzner/Caddyfile
index 71f0fd162..5cc5c95d8 100644
--- a/Docs/ServerConfig/hetzner/Caddyfile
+++ b/Docs/ServerConfig/hetzner/Caddyfile
@@ -8,10 +8,18 @@ builds.mapcomplete.org {
 
 dev.mapcomplete.org {
 	root * public/develop/
+	try_files {path}.html
 	file_server
 	header {
 		+Permissions-Policy "interest-cohort=()"
 	}
+    handle_errors {
+        @404 {
+            expression {http.error.status_code} == 404
+        }
+        rewrite @404 /404.html
+        file_server
+    }
 }
 
 single.mapcomplete.org {