Bastia needed Guillaume Gillet's second-half equaliser to rescue a 1-1 draw at home to newly-promoted Lens in Ligue 1.
Lille missed a chance to go top of Ligue 1 after being held by a Falcao-less Monaco 1-1, while Nantes beat Montpellier.
Lens took full advantage of an ill-disciplined performance from Reims to post a 4-2 win at the Stade Bollaert-Delelis.
Lens picked up their first win of the new season with a 1-0 success at Lyon.
Monaco and Lens won 1-0 away to Nantes and Lyon respectively in Ligue 1 on Sunday, as Saint-Etienne and Rennes drew 0-0.
PSG secured their first Ligue 1 win of the season at home to Bastia, despite Zlatan Ibrahimovic picking up a knock.