Belgium national team boss Marc Wilmots believes Manchester United are not seeing the best of Marouane Fellaini because they are playing the former Everton man in the wrong position.
Fellaini, who joined the Premier League champions for £27.5million at the start of the season, has failed to hold down a regular first-team spot in Manchester United's starting line-up during his first year at Old Trafford.
The Belgium international has been heavily criticised throughout the course of the season - which Wilmots has claimed is unjust.
Wilmots believes Fellaini should be deployed in a role that will allow him to roam between both boxes - instead of having to play just in front of Manchester United's back-line.
Speaking to the Manchester Evening News, Wilmots said on the towering midfielder: "I have no doubts about Marouane.
"I don't understand why Manchester United bought him to play him in a system of two No 6s.
"Marouane is a box-to-box player. The World Cup is a good chance for him to take revenge."
Fellaini's fellow Manchester United teammate Adnan Januzaj could be on the plane to Brazil alongside the former Everton ace as Wilmots has decided to include the winger in his provisional 30-man squad.
Januzaj will be hoping he can edge his way into Wilmots' plans by having a terrific end to the season.