It doesn’t matter whether you’re in class, an important meeting or in the middle of a press conference, you don’t want to be the one who interrupts whatever is going on because you forgot to turn your phone off or put it on silent.

Manchester United is set to take on Liverpool on Sunday, so the team held a press conference on Friday. With Red Devils manager Jose Mourinho at the podium answering questions, a journalist experienced what is most likely the most embarrassing moment of his career.

Must See: Mourinho answers a journalist's phone

You can bet he was extremely red after his phone went off and interrupted the press conference, but at least Mourinho had some fun with the whole situation and was nothing but smiles while it all took place.