Chelsea striker Nicolas Anelka has signed a one-year extension to his contract at the club just days after being sent home from the World Cup.[LNB] Anelka verbally insulted Raymond Domenech during France's clash with Mexico and then missed training after reports of a row with the coach during their 2-0 defeat.[LNB]Anelka refused to apologise when asked to by French Football Federation president Jean-Pierre Escalettes and subsequently left the squad as France bowed out of the competition at the group stage in disgrace.[LNB]But Anelka was quick to put his international problems behind him by committing himself to Chelsea until 2012.[LNB]Anelka's contract was due expire next year but France's early exit meant Chelsea could finally seal a contract extension that had been put on hold as the club concentrated on winning the League and FA Cup double.[LNB]A spokesperson for the club confirmed: "Chelsea is delighted to announce that Nicolas Anelka has signed a one-year extension to his existing contract that will keep him at the club until 2012."[LNB]Anelka, 31, was delighted to pledge his future to the double-winners and insisted he had no plans to move on.[LNB]"When I first came to Chelsea I wanted to stay much longer than I did in the past with other clubs," said Anelka.[LNB]"It is a big club, you play with big players and I like this club, I like London.[LNB]"There is no need to move anymore and so I am very glad to sign a new contract and I know we will play in big games and win titles. I am very glad."[LNB]Anelka's decision to stay has delighted Italian coach Carlo Ancelotti.[LNB]"Nicolas is a fantastic player who has good technical qualities and movement," said Ancelotti.[LNB]"When I was coach at Juventus I wanted to buy him, so it is good now he has signed for me and I think Chelsea is his home. I look forward to working with him for one year more."[LNB]Anelka has appeared 123 times for Chelsea since arriving from Bolton in January 2008. He has scored 42 goals.