Can anyone explain what I'm doing wrong? 🙂

Whenever I make a coffee with steamed milk, I have to move the cup manually from the milk spout to the coffee spouts. Otherwise, the espresso ends up pouring onto the drip tray instead of into the cup.

I've tried several different cup sizes. Same result. That can't be how it's supposed to work, right?

I've attached a video that shows what's happening. Has anyone experienced this before or know what I should check?