A fastening device for a line, in particular for an electric cable (12) in a motor vehicle, is proposed, the fastening device having a bush (10) which can be locked in a holder (18), at least partially surrounds the line, is made of elastically deformable material and is fastened releaseably in a cutout (16) of the holder (18) by means of a contour (14). According to the invention, the surface of a bush (10), which is injection-moulded from plastic, is of segmented design in order to obtain easier deformability of the bush when fitting it into an associated holder (18).