The invention relates to a wiper blade (10) comprising a supporting element (12), on whose one side a wiper strip (14) can be mounted and on whose other side a connecting device (16) for a wiper arm (18) can be mounted, and which has two longitudinal rails (38) that are fixed relative to one another via bridges (40) and covered by caps (30, 70) at their ends (42). It is proposed that at least one cap (30, 70) consist of several parts and have a basic body (32, 72) and at least one moveable part (34, 74), wherein the basic body (32, 72) establishes a connection to the longitudinal rails (38), and the moveable part (34, 74) directly and / or indirectly fixes the wiper strip (14).