Lionel Messi scored in his first game since leading Argentina to the World Cup title as French league leader Paris Saint-Germain beat Angers 2-0 on Wednesday.
The punishment means Nice will drop to fifth place — one point behind Marseille — in the standings, with six points from three games
Marseille emerged 2-1 winners against Nice, but not before a controversial incident at Allianz Riviera. The game had to be paused due to homophobic banners.