Abstract: An arrangement for fastening a first element, such as a television, and a second element, such as a decorative element to a wall, includes a base structure, which includes four connectable members configured for forming a braced base structure, when base structure is fastened to the wall with fastening elements from at least four fastening points. Further, the arrangement includes at least one first fastening member mounting the first element to the base structure and at least one second fastening member, which first and second fastening members are configured for fastening to the first and the second elements, respectively, and moving elements for moving the second fastening member between a first position and a second position, which moving elements are configured for connecting to the second fastening member in order to mount the second element to the base structure optionally via base members.