Motta, 29, has been linked with a move to the Ligue 1 outfit in recent weeks, but Leonardo has said that a deal rests on the shoulders of the Italian club.
"We like Thiago Motta. We are evaluating the situation, but Inter want to keep him. We have to wait a few more days, because without Inter's go-ahead we cannot close a deal," Leonardo told RTL.
Brazilian-born Motta has appeared 69 times for Inter since joining the club in 2009.