Szymon Marciniak will referee Liverpool's Champions League visit to Inter Milan - and has previous with Jurgen Klopp.
Marciniak has been chosen as the main official for the Reds' round of 16 first leg clash at the San Siro on Wednesday night.
It will be the sixth time the Pole has taken charge of a Liverpool game in Europe, with the most recent being the 3-2 home win over AC Milan in the group stage in September.