Manchester United's mega-money signing has notched his third goal of pre-season as Manchester United travelled to Norway for a friendly against Valerenga.
Marouane Fellaini put the visitors in front with a deflected header from a corner in the first half, despite the mounting speculation that he will leave the club for Turkey this week, and the Oslo side were again caught out from a set-piece as Lukaku made it 2-0 shortly after the break.
Lukaku made a near post run before outmuscling his markers and nodding home.
It's a decent start for the big Belgian who looks to have settled in to the squad very quickly, no doubt helped by his pre-existing friendship with Paul Pogba.
That said, it's still pre-season, and Lukaku will be hoping to get off the mark as quickly as possible when competitive football returns in the next few weeks.
Scott McTominay added a 3rd for Mourinho's men with 20 minutes left as United enjoyed a comfortable outing in their final friendly before they visit Dublin.