However, with Elmander's contract with the club expiring next summer the Ligue 1 side are likely to drastically lower their asking price, although a good showing at Euro 2008 may work in their favour if negotiations were to get underway.
"We'll see if it's more sensible," Megson told The Bolton News.
"Sometimes, when somebody says they want £21m, they're just saying he is not for sale."