discoverGateway returns null

When i run discoverGateway() it returns null. But i have a tradfri here.

tradfri remote info (important data printed on the remote tought it might be usefull):
type: E1524
SE-34381 Älmhult

code: 
```mjs
import { TradfriClient, discoverGateway } from "node-tradfri-client";

const discovered = await discoverGateway();

console.log(discovered)
```