 On 27 August 2012, Janssen returned to Vitesse for a fee of approximately 600,000 euro's.After suffering from different injuries of which the latest involved a meniscus operation, Janssen on 4 March 2014 announced that he would immediately end his active football career and that he would pursue a career with Vitesse as a scout for youth players and specialist trainer.Janssen made his debut for the Dutch national team against the Republic of Ireland in August 2006.