 He was a key offensive unit during the promotion campaign, scoring 14 goals in 14 matches.On 3 August, he signed a three-year permanent deal with Mons, netting a career-best 28 goals (22 in the league, including a hat-trick against Sint-Truidense VV on 13 August) during the season.On 25 January 2013, Perbet moved teams and countries again, joining Villarreal CF on loan until the end of the season.