 He moved back to Sweden in 2005 in order to join Helsingborgs IF.On 23 July 2007, it was announced that Stefanidis had signed for Helsingborgs' rivals Malmö FF, a contract starting on 1 January 2008.However, fans of Helsingborgs IF were greatly upset and subsequent harassment and personal persecution led to Stefanidis' changing clubs prematurely, on 2 August 2007.