Disclosed is a discharge lamp, particularly a high-pressure xenon or mercury discharge lamp, comprising a bulb that is provided with two diametrically arranged bulb shafts, each of which supports one electrode with an electrode holding rod and an electrode head. The electrode holding rods are gas-tightly fixed in final sections of the bulb shafts by means of a sealing process. According to the invention, the bulb shafts encompass at least two knobs for supporting the electrodes, which are in contact with the electrode holding rods in at least some sections.