first start recorder, then listen on websockets

server/MhdMapApp.js

@@ -23,14 +23,14 @@ export default class MhdMapApp {
     }
 
     async start() {
+        await this.recorder.start();
+
         this.websockets.on('join', ws => {
             this.sendAction(ws, 'updateStops', this.stops);
             this.sendAction(ws, 'updateVehicles', this.vehicles);
         });
         this.websockets.on('message', this._onWsMessage.bind(this));
 
-        await this.recorder.start();
-
         setInterval(() => {
             this.updateStatic();
         }, 1000 * 60 * 60 * 24);