JURGEN KLOPP reacted to Alisson's howler against Real Madrid by clapping his hands.
The goalkeeper's mistake allowed Real to equalise as his pass bounced off Vinicius Jr and into the back of the net.
Klopp could not help but smile and appeared to even have a little chuckle.
He also clapped his hands as he tried to encourage his players, who surrendered a 2-0 lead.
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But fans were baffled by his actions, with some thinking the German was fuming.
One fan reacted by saying: "Klopp is actually a demon for clapping after that Alisson errorð¤£"
Another added: "Klopp clapping is jokes, heâs burning."
A third said: "Iâm so confused as to what Klopp is clapping."
And another commented: "Was Klopp sarcastically clapping Alisson?"
The Reds scored twice in the opening 14 minutes through Darwin Nunez and Mo Salah.
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But they found themselves 3-2 down shortly after half-time as Vinicius pulled one back with a clinical whipped finish.
Klopp then knew his work was cut out after Real defender Eder Militao headed the visitors in front.
Things got even worse for Liverpool as Karim Benzema added two more to make it 5-2 to the European champions.
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