A dreadful error from Metz defender Guido Milan deep into stoppage time gifted Nice a 1-0 victory on Saturday.
Marcelo Bielsa's Marseille finally showed what they are capable of with a 4-0 demolition of south-coast rivals Nice.
Bordeaux topped the Ligue 1 table after beating Nice 3-1, while Lille beat Lorient 2-0 to maintain their unbeaten start.
Willy Sagnol's Bordeaux top the fledgling Ligue 1 table after beating Nice 3-1 to register a third straight victory.
PSG secured their first Ligue 1 win of the season at home to Bastia, despite Zlatan Ibrahimovic picking up a knock.
Lorient and Nice maintained their unbeaten start to their Ligue 1 campaigns after a goalless draw on Saturday.