Nix spent two weeks of summer on holiday in Mexico with three former Bradford colleagues, Joe Colbeck, Dean Furman and Nicky Law. Although Nix had reported interest from League Two clubs, upon his return from holiday he dropped down a division to go on trial with Conference National club Mansfield Town. After just three days of his trial he signed a two-year deal to become their 11th new player of the summer. Nix made his debut for Mansfield in their opening day 4–0 victory against Crawley Town, and scored his first goal for his new club at the end of September during a 3–1 defeat to Barrow. Nix enjoyed a run of games in the first team and was described by manager David Holdsworth as one of the club's "best players" until he suffered an ankle injury, which required surgery at a hospital in Northallerton and kept him out of first-team action until the new year. He returned to playing action for Mansfield reserves in late January and was back in the first team squad by the end of the month. He made his comeback to the first team in a 3–1 defeat to Stevenage Borough at the start of February. By the end of his first season with Mansfield, he had played 23 league games and scored twice.