A second-half winner from Anthony Mounier saw OGC Nice climb out of the relegation zone with a 1-0 victory over SM Caen.
The 24-year-old notched his fifth goal of the season to record his team's first win in seven league games.
Jean-Pierre Rivere's men leapfrog AS Nancy into 17th in Ligue 1, and cut the gap on Caen to four points in the process.
Nice travel to Bordeaux next week, while 12th-place Caen face a home fixture against Brest.