Everton manager Ronald Koeman has no concerns over Romelu Lukaku’s attitude despite the uncertainty over his future.

“Everybody knows he is a professional and will do everything for the club until his contract is ended and nobody knows what will happen in the future,” Koeman said.

“We like to keep our best players because we need them to make the next step.”

Lukaku is yet to sign a new long-term contract at the club.

The 23-year-old has made 30 appearances during this season, scoring 22 goals,