A housing element is provided for a storage housing of an electrical energy store of a motor vehicle, the electrical energy store being designed to store electrical energy and having a plurality of storage cells which can be arranged in a receiving space of the storage housing and in which the electrical energy is to be stored. The housing element has a baseplate, which is formed from a light metal and is provided at least in a subregion with a reinforcing plate formed from a steel and is reinforced by virtue of the reinforcing plate being adhesively bonded to the subregion of the baseplate by an elastomer.