The invention relates to a fastening means for preferably fastening a glass pane (12) in a frame structure made of wood or plastic material. The fastening means according to the invention is characterized by the following elements: several angular clamping pieces (1) and a holding rail (9), wherein each of the angular clamping pieces comprises two legs extending perpendicularly to each other and the vertical leg comprises a plate-like fastening portion (4), which extends from the center part thereof outwardly at a predetermined distance to the horizontal leg and is shorter than the angular clamping piece itself, wherein the holding rail (9) extending along the glass pane is provided in its longitudinal direction with a groove (10), the with thereof matching to the thickness of the fastening portion, and wherein, in the mounted state, the glass pane contacts at its backside the stop provided in the frame (11), several angular clamping pieces are tightly pressed to the front side of the glass pane and fixed by fixing elements (7), and the holding rail (9) is pressed onto the fastening portion (4) by its longitudinal groove (10).