A joint guard provided for protecting, and stabilizing portions in the edge region of a panel, the portions being selected from the group consisting of a distal edge, a downwards protruding heel, a upper joint edge, a groove, a lower cheek, a distal end, an upwards protruding lower cheek heel, an upper joining edge, an undercut, a moveable locking element, a locking tongue, a locking tongue leg and a maneuvering leg.