 As a result, Nilsson served a two match suspension.Despite making a return against Heracles Almelo on 18 September 2011, Nilsson was sent-off for the second time this season on 15 October 2011, in a 1–0 loss against PSV Eindhoven.In a match against Feyenoord on 11 December 2011, Nilsson suffered a knee injury during the match and was substituted early in the match.