Ronaldo was forced off at half-time of Sunday's Clasico between Real and Barcelona, which ended 2-2 at the Camp Nou, and Zidane has confirmed the Portuguese sprained his ankle.
On Ronaldo, Zidane said, "When what happened with Cristiano Ronaldo happened, and it was something minor, the best we could hope is that the player recovers as soon as possible and that's that".
However, Zidane has confirmed that Ronaldo is walking again and says he will be '150%' again by the time of the final. "The ankle is stable". "Even if we do not know when he will resume with the team, the fact that he is already there 48 hours after shows his commitment, his desire to always want to play". "We do not know yet if he will be back for Villarreal, but it would be ideal to have everyone ready for that final La Liga game".
At the end of the match, Zidane said, "I can not say how long he will be out, Cristiano does not feel good, but he said it's only a small problem". "But with him nothing is impossible", he told ESPN Brazil.More news: Penelope Cruz, Javier Bardem got equal paychecks for Cannes movie
Ronaldo, scored his 25th goal of the season and 42nd in all competitions, when he cancelled out Luis Suarez's opener, but picked up a knock in the process.
On the other hand, Cristiano will miss all the remaining matches Real Madrid will play in Spanish League.
Ahead of their Champions League final clash, Real Madrid's honorary president and ex-player Paco Gento has no worries about Madrid's opponents.
"Sometimes they need a rest, but I'm not anxious about injuries".
"(Mohamed) Salah is a great player and has had a great season, but he's not mine".