Kylian Mbappe thought he had earned PSG three points against Lille on Sunday evening, but Jonathan David's last-gasp header saw the underdogs hold the Ligue 1 leaders to a 1-1 draw.
PSG's draining midweek Champions League encounter appeared to catch up with Luis Enrique's side, who created few clear chances and looked defensively vulnerable as the game wore on.
Mbappe's second-half penalty - awarded for a foul on Lucas Hernandez - looked to have sent PSG seven points clear at the top of the table.
But Lille substitute David had other ideas, the Canadian punishing Marco Asensio for a poor clearance by reacting quickest to a rebound to send the home fans into raptures.
GOAL rates PSG's players from the Stade Pierre-Mauroy...