A piece of seating furniture with a base for setting up in a fixed position, a seating element tiltable in relation to the base and having a seating surface, and a leg support element movable in relation to the seating element and having a leg support surface. The leg support element is connected to the seating element via a link gear, wherein the leg support element is movable between a storage position and a use position via the link gear. An electric motor is provided below the seating surface, which acts on the link gear via a push rod. To connect the leg support element to the seating element, the link gear has a pivoting link which, during the transfer of the leg support element from the storage position into the use position, is arranged in part in a slot partially penetrating the leg support surface.