An adjustment device for headlights with an adjustment screw extending in a predetermined direction of adjustment. The adjustment screw engages a thread of a light module of the headlight for pivoting it about a horizontal or vertical axis. The adjustment screw also engages with a drive means arranged coaxially in reference thereof at a rear end of the adjustment screw. A latching sheath and a drive element surrounding the latching sheath are provided as drive means, receiving the rear end of the adjustment screw. The latching sheath comprises fastening digits elastic in the radial direction, which in the assembled position press against the interior of the drive element. The latching sheath and the drive element are coupled to each other via latching means in the axial direction and in a latching fashion.