Paris Saint-Germain just about progressed in the Coupe de France on Wednesday, as they beat Caen 1-0.
The Ligue 2 side put up a fight against the Ligue 1 champions, whose main concern on the night came as Neymar had to go off injured.
Uncertainty hangs over the Brazilian now with the first leg of their Champions League last-16 tie with Barcelona to come on February 16.
Neymar was on the end of a tough tackle from Steeve Yago and went straight into the dressing room after being treated.
Kylian Mbappe had been rested but came on to replace the Brazilian, yet it was Moise Kean who got the game's only goal to send PSG into the round of 32.