 On 9 September 2017, Doris was injured during the first half of Arbroath's 4–1 defeat against Albion Rovers, and it was later confirmed he had suffered a cruciate ligament injury.On 20 October 2018, 406 days after his injury, he made his comeback as a substitute at home to Dumbarton, scoring two minutes after entering the field.At the end of the 2018–19 season Arbroath were crowned Scottish League One champions, which meant Doris became the first player in the club's history to win three league title medals.