Cover device for a folding top compartment

A cover device for a folding top compartment of a vehicle with a lowerable roof structure, the roof structure pivotable into the folding top compartment arranged behind a rear region in a back part of the vehicle's bodywork, the folding top compartment closable with a folding top compartment lid which is adapted to be folded up towards the rear region and a free space, which can be closed with a cover unit which has a front cover part and a rear cover part, remaining between a front edge region of the closed folding top compartment lid and a rear edge region of the rear region, wherein the rear cover part is mounted in a pivotably adjustable fashion on the front cover part and can be adjusted between an active position in which the rear cover part closes a gap between a rear edge region of the front cover part and the front edge region of the folding top compartment lid for a rear edge region of the roof structure, and a passive position in which the rear cover part clears the gap.