A connecting element (30) for fixation of two half-shells (10, 20) of a buckle cover (5) for a seat belt buckle. The connecting element (30) includes two externally profiled end-sections, an anchoring section (21) that is mounted to a first half-shell (20), with a fastening section (11) adjoining a separation section (15), The connecting element (30) is connected to the half-shell (20) in a material-bonded or interference-fit manner and the fastening section (11) is connected in a friction- and interference-fit manner to the additional half-shell (10). The fastening section (11) includes a core plug (14) that tapers conically toward the free end, and having a symmetrically or asymmetrically formed ramp-shaped structure formed of single ramp-shaped sections (13) that widen respectively in the direction of the separation section (15).