 He made his debut in the opening game of the season on 8 August, coming on as a substitute for Tom Pope in the 55th minute, in a 1–1 draw away to Doncaster Rovers.He scored his first goal for the Shakers on 3 September 2016 in a 4–1 win over Port Vale at Gigg Lane.On 19 May 2017 Mellis joined League Two club Mansfield Town.