That doesn't seem right. Just to confirm, have you already tried resetting the app on your Xbox? Here's how: Settings > Reset app. Let us know if that helps.
That's odd, could you file a feedback report with these steps: https://goo.gl/1ckkO5 ? We review all the feedback sent to us, but YouTube doesn't necessarily respond to every single one. We use the info to identify and fix issues, as well as track requests and make improvements.