Watching YouTube has wrong language when using AirPlay

So here's a thing that's been mildly irritating me the past few months. The problem If I'm watching a video on the YouTube website and send it, via AirPlay, to AppleTV from my laptop I get the wrong audio. I get the video just fine, but the audio is some random language. Go back to watching it on my laptop, the original English audio returns. At first comical, then annoying. I've tried looking for…