 On 18 July 2007, he was loaned to VfL Wolfsburg until summer 2009 and on 11 August 2008 Gentner signed a permanent deal with Wolfsburg.On 8 January 2010, Gentner announced that he would be joining VfB Stuttgart at the end of the season.After seeing out his contract with the Wolves which ended on 1 July 2010, Gentner returned to Stuttgart on a free transfer.