Ex-Manchester United striker takes a dig at former manager Ole Gunnar Solskjaer, according to the Metro.
Lukaku joined Serie A side Inter Milan in the summer, following an underwhelming season with Manchester United last campaign.
The Belgium international has hit the ground running in Italy, scoring four goals in six matches in all competitions including a fantastic header in the Milan derby win this weekend.
When speaking to DAZN after the Derby game, Lukaku praised his current manager Antonio Conte, but certainly had a subtle dig at former boss Ole Gunnar Solskjaer.
He said: “My rapport with Conte is very strong, as he is a Coach who really helps me. At the age of 26, I want a Coach like this, who helps me every day and gives me motivation.
“I am very happy to be here and to be working with him.”
The Norwegian manager and former United striker wasn’t afraid to criticise Lukaku last season and dropped the striker due to fitness issues.