Kuyt's penalty was his 14th strike of the season - and his eighth goal in his last seven league outings.
Reds fullback Glen Johnson told liverpoolfc.tv: "We've been laughing and joking about it because normally he shoots from anywhere. But he's a fantastic player. He's been brilliant for Liverpool over the years and I'm sure he'll continue to be.
"He's a great player to have in a squad. He can play on the left, the right and up front. He does a job for the team and wherever he plays he wears his heart on his sleeve."