Arthur Masuaku expressed his "disappointment" after Liverpool's 2-1 victory over West Ham at Anfield on Saturday night.
The Reds came from behind against the Hammers with Mohamed Salah's first-half penalty cancelling out Pablo Fornals' opener before substitute Diogo Jota fired home late on for the win.
Left-wingback Masuaku was adjudged to have fouled Salah in the penalty area just before half-time, kicking the back of the Egyptian attacker's foot as he brought the ball down.
Salah smashed the resulting penalty home but the incident sparked a huge amount of backlash with even West Ham manager David Moyes outlining his displeasure at the way the spot-kick was awarded and suggesting the Reds star had "thrown himself to the ground".
However, Masuaku has now spoken on social media about the foul and said he is "still a bit mad" at himself.
He wrote on Twitter: "Disappointing result after a good start. Still a bit mad at myself for whatever happened but anyway..."
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Liverpool moved to the top of the Premier League table with their 2-1 win over West Ham and will be watching in earnest as those around them play on Sunday.
