Substitute Randal Kolo Muani scored a late winner as Paris Saint-Germain extended their lead at the top of Ligue 1 to six points with victory over Nantes.
Bradley Barcola's first PSG goal was cancelled out by Mostafa Mohamed's header. France forward Kolo Muani struck with seven minutes remaining against his former club at Parc des Princes.
Monaco won 2-1 at Rennes to climb above Nice and into second.
Nice entertain Reims on Sunday (Dec 10).
PSG travel to Borussia Dortmund in the Champions League on Wednesday knowing victory will secure their place in the last 16.