When you’re assisting a magician with a trick, it’s best to listen to the instructions—even if you’re His Royal Highness Prince William. At a recent charity event in the UK, Britain’s Got Talent winner Richard Jones called Prince William on stage for a card trick, who then proceeded to chuck a full deck of cards into the air when Jones wasn’t ready. It’s ok, though; Jones is a professional, and proceeds to wrap up the trick in impressive fashion.