The Dutchman struck twice and keeps Liverpool’s title hopes alive.
Benitez said: “Everybody is very pleased for him.
“Kuyt is a fantastic professional and is always working hard to score.
“He was very positive and we are really pleased for him.”
He added: “We were working very hard and we have to be satisfied.
“We were nervous because the pitch was terrible. The pitch was dry and the grass was long – it was difficult to pass the ball.
“You can make mistakes but it is part of the game and we have to accept the situation.
“The second half was better.”