Should be fixed now, thanks for bringing it to my attention, you're right.
You're very welcome and thank you as well for fixing it right away

I'm guessing what's happened here is that you've changed the address on one of your devices while the others are still running?
This is what happened the very first time, but the second time, I'm pretty sure I stopped the mining process on all of the miners... Having said that, I had no luck in reproducing it today
[I'll screencast it if I experience it again].