The roller shutter is intended for a luggage space behind the seats of an estate car with a rear door (5). The winding shaft (7), carrying the roller shutter (8) is fitted to the rear door. The free end (13) of the roller shutter can be secured to the backrest (3) of the car seats (1). The winding shaft is located behind the rear cover (9) or may be a part of it. The rear door, or its cover, typically has an aperture (10) for the winding shaft.