Abstract: In a mud-flap attachment for the detachable connection of the attachment region of a mud-flap (3) which rests on the fender fold (2), which mud-flap has a main flap body (4) and an extension thereof which forms an adapter protrusion (5) which has an attachment region. A clamp is used which has a first clamping part (10, 110) which is connected with a second clamping part (6, 106) via two screws (11, 12) spaced apart in the longitudinal extension of the attachment region. The side of the clamping part forming the clamp opening has a central recess facing away from the screws (11, 12). The sides of recess are formed by two clamping projections (13, 14). Two corner angle parts (17, 18) of the free ends (15, 16) of the clamping projection are angled towards the clamping part (10, 110). The distance from the associated screw (11) to the free end (15) of the upper clamping projection is less than the corresponding distance of the other clamping projection.