Arnold Schwarzenegger broke a smoking ban at the Facebook headquarters by lighting up a cigar.

The Terminator actor visited the technology giant's campus near San Francisco, California to promote his new movie Sabotage and posed for a picture holding a cigar underneath a sign reading "Welcome to our tobacco free campus".

He later posted the snap on the company's social networking website and added in caption, "Facebook's philosophy is 'Move Fast and Break Things', which I love. So naturally I broke some rules at their headquarters. Thanks for a great visit!"