A panel fastening system includes a panel having a visible side and a rear side, at least one slot which is introduced into the rear side of the panel and which extends along a longitudinal axis, and which has at least one stop face, wherein a first slot portion extends between the at least one stop face and the rear side, and wherein a second slot portion extends between the at least one stop face and the slot base, and at least one fastening element which is inserted into the slot and which has a fastening portion and a contact face, wherein the contact face of the fastening element abuts against the at least one stop face, wherein the panel fastening system further comprises at least one securing element which can be arranged in the slot to secure the fastening element.