A fastening clip for fastening coverings to body parts of a motor vehicle is provided. The fastening clip comprises a one-piece plastic part with a fastening foot for pressing into an opening provided in the respective body part, a supporting shaft adjoining the fastening foot and intended for receiving the covering by laterally pushing on a holding part provided on the covering, and a holding plate seated on the outer end of the supporting shaft. In order to improve and facilitate mounting, elastic ribs are provided on the periphery of the supporting shaft.