and it needs to be in the right order, too

main.go

@@ -20,11 +20,11 @@ func main() {
 	flag.StringVar(&hostname, "hostname", "localhost", "Hostname the Prusa Connect API is available at (assumes http)")
 	var port string
 	flag.StringVar(&port, "port", "3000", "Local port to run server on")
+	flag.Parse()
 	config := Config{
 		PrinterHostname: "http://" + hostname,
 		Port:            port,
 	}
-	flag.Parse()
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		if r.URL.Path == "index.html" || r.URL.Path == "/" {