 On his return, in the summer of 2003, Gavanon found himself unwanted, and his contract was terminated.He then signed a two-year contract with Ligue 2 club Nancy, and after impressing, earned himself a two-year extension, keeping him at the club until 2007.After Nancy's promotion in 2005, Gavanon began to struggle with Ligue 1 football, but worked hard to regain his place towards the end of the season.