The device for adjusting the position of a strap return element (1) of in particular a safety belt for a motor vehicle is characterized in that the strap return element is mounted to be movable between two end positions by driving means comprising an electric motor supplied with current through the medium of a control element controlling the position of the strap return element at any point of the travel of the latter defined by the two end positions. The strap return element (1) is disposed on an anchoring pin (4) mounted on the stator of the electric motor whose hollow rotor is provided with an internal screwthread cooperating with a screwthreaded rod mounted on the vehicle for shifting the electric motor and therefore the strap return element.