Manchester City captain Vincent Kompany wants Marouane Fellaini to succeed at Manchester United, reports talkSPORT.
Kompany, who plays alongside Fellaini for the Belgian national side, believes the £27.5 million man needs time to settle at Old Trafford and has insisted that he will improve at the Theatre of Dreams.
Fellaini has struggled to make an impact at Manchester United so far this season and is now absent from the side with injury, however his Manchester City rival has backed him to come good.
Speaking to the Alan Brazil Sports Breakfast show, Kompany said: “People shouldn’t forget that it is Fellaini’s first season at Manchester United. It’s a big move and he deserves some time.
“It will sound weird because he plays for the red half of the city but I want him to get back to his best.
Kompany believes Fellaini is a "special" player and believes he's a crucial member of the Belgium side that will be participating in this summer's World Cup.
“He’s an important player for Belgium,” he added. “He’s one of those special players. You just feel he can have a big impact on the team. They will need him a lot.
“It’s just a matter of time really because he’s got the lot.”
Kompany's focus for now will be on his side's clash with Newcastle United on Sunday as the Citizens look to continue their fine form.
Meanwhile Manchester United - without Fellaini - host Swansea City and will be desperate to secure their first win of 2014.