 He debuted in the League Cup first round against Southampton on 12 August 2008, which finished as a 3–1 defeat.His first goal came with the equaliser against Lincoln City on 6 December, which finished as a 2–1 victory, and this was followed up with two goals in a 4–1 win at home to Rochdale on 20 December.McAllister scored twice against Dagenham & Redbridge on 20 January 2009 to give Exeter a 2–1 victory.