Although that was a bad moment for Reina he has responded well and even become a better goalkeeper because of it believes Rafael Benitez.
"Pepe will remember this mistake as important, so for him it was a test and he showed that he can come through difficult situations and be really good," said the Liverpool boss.
"He has a lot of character. One of the keys to being a top professional and a top-class player is to be able to show character in difficult situations.
"If you are always playing well and without difficulties you cannot test the character of the player.
"Pepe made some mistakes but after this he showed quality and character.
"Also, you can see when he has been under pressure in finals and other big games that he is a player with a very good mentality."