A wiper blade for cleaning a vehicle windscreen having a carrier element configured to hold a wiper rubber is disclosed. A wiper blade adapter, fixed to the carrier element, is configured to detachably connect the wiper blade to a wiper arm. The wiper arm includes a wiper arm adapter disposed on the wiper arm that is oriented along a longitudinal extension of the wiper arm in an assembly direction. The wiper blade adapter includes a first adapter section attached to the carrier element, a second adapter section configured to directly connect to the wiper arm adapter, and indirectly connect to the wiper arm via the wiper arm adapter, a joint that articulates the first adapter section and the second adapter section, and an electrical connecting element having an electrical contact configured to reversibly establish an electrical connection between a heating element and a current supply disposed on the wiper arm.