A headlight for vehicles, having a reflector, a light source unit which is functionally assigned to the reflector, a lens placed in front of the light source unit in the primary beam direction, and an aperture device arranged between the light source unit and the lens. The aperture device is positioned in a focal point region of the lens and has an aperture edge which runs perpendicular to the optical axis for the purpose of generating a light/dark boundary for a prespecified light distribution. The light source unit has a plurality of light sources separated spatially from each other, such that light can be emitted from an illumination surface. The aperture edge transitions into a correction edge from a central region of the aperture device towards opposite ends of the same. The correction edge runs in such a manner that an optical lens aberration resulting from the light source unit being constructed as an illumination surface is compensated.