"He is fine, he is having a very good season," Zidane said at a press conference in Madrid when asked about the performances of Navas.
"One can always ask more from a goalkeeper or any player, but we went 40 games without losing and Keylor was there.
The Real Madrid coach also came to the defence of fellow Frenchman Karim Benzema.
"He is not allowed to lose possession at midfield?" Zidane asked rhetorically.
"Everyone is entitled to their opinion but nobody can do every single thing perfectly during the entire game."