Manchester United manager Sir Alex Ferguson sparked giggles from his players when he swore during a televised game of charades.
The Scotsman was asked to act out Diego Maradona's famous 'hand of God' goal from the 1986 World Cup final between Argentina and England.
After the members on his team finally got it, Ferguson swore while on camera, prompting a fit of laughter to break out from Jonny Evans, Ryan Giggs and Wayne Rooney.
Watch Ferguson's mistake on MUTV below: