diff --git a/templates/Caddyfile.j2 b/templates/Caddyfile.j2
index 90e31ea..fd05842 100644
--- a/templates/Caddyfile.j2
+++ b/templates/Caddyfile.j2
@@ -18,6 +18,14 @@ poc.athelas.fr {
 		ca https://acme-staging-v02.api.letsencrypt.org/directory
 	}
 
+	handle_errors {
+		rewrite * /{err.status_code}
+		reverse_proxy https://http.cat {
+			header_up Host {upstream_hostport}
+			replace_status {err.status_code}
+		}
+	}
+
 }
 
 # Refer to the Caddy docs for more information: