The Belgian keeper was caught out by the Brazilian’s long distance effort which hit the inside of the post and went into the net.
As Luiz was running up to take the set piece, Mignolet appeared to be still organising his defenders.
David Luiz's outrageous celebration after cheeky free-kick against Liverpool
Wed, February 1, 2017
David Luiz let it all out after scoring a belting free-kick for Chelsea in their 1-1 draw against Liverpool at Anfield
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David Luiz sparked wild celebrations with his goal against Liverpool last night
After the match, Gerrard blamed the 28-year-old saying he was “in no man’s land.”
But speaking to Belgian newspaper Het Nieuwsblad, Mignolet did not agree with new Liverpool academy coach.
Liverpool goalkeeper Simon Mignolet
He said: “A goalkeeper has to take responsibility and ensure that the organisation is there.
"For example, if an indirect free kick is kicked. You cannot purely think about yourself.”
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Chelsea's David Luiz hits his free-kick
He added: “Of course I know I have to pay attention to the opponent, but I hadn’t heard the whistle. Or maybe I heard it, but I thought it was a whistle in the crowd.
“You can then say that the free kick was kicked so well that it would have gone in anyway, but as a goalkeeper you always want to give yourself a chance to save the ball.”