The invention relates to a stent graft comprising a stent (1) having a plurality of ring segments (3) disposed adjacent to one another and connected to one another and at least one membrane (2) having at least one marginal ring segment (4) having a meandering web configuration wherein web loops (5) which point inwards or outwards are cut in such a way as to produce spring tabs (6) which are disposed so that they engage positively in the web loops (5) and are resiliently movable against the web configuration wherein the membrane (2) is gripped between the spring tabs (6) and the web.