 Morison earned his 20th and final cap in a 2–0 defeat to Croatia in Osijek on 16 October 2012.After retiring as a player in October 2019, Morison became a coach at Northampton Town.On 10 February 2020, he was announced as the lead coach of the Cardiff City under-23 side, again joining up with Neil Harris, his former boss at Millwall.