Poswn

I'm using the latest version of Nukkit at the time of this issue opened, commit `90cd601` of the `master` branch.

If you want to test this easily, you can fly high up in air, drop & whilst falling say something random in chat to run the method to teleport you,...

Not sure but this issue from Pocketmine may be possibly related or not. `https://github.com/pmmp/PocketMine-MP/issues/821`