So I got a really high score before I signed in, only signed in afterwards, and now, even though my high score displays on the "best wave" display for me, it's

So I got a really high score before I signed in, only signed in afterwards, and now, even though my high score displays on the "best wave" display for me, it's nowhere on the global high score board. I'm just going to have to, like, get it again somehow?? That's annoying.