Jurgen Klopp brushed off a spat with Sadio Mane after he celebrated his first win at Old Trafford as Liverpool manager on Thursday.
Mane, who started on the bench and replaced Diogo Jota in the 74th minute, refused to shake Klopp's hand at the final whistle as he marched towards the tunnel shaking his head.
The Liverpool boss played down the incident and admitted that he had not had a chance to explain his selection to the Senegal striker.
"There is no problem there.