Described is an interior trimming piece (e.g., for a motor vehicle) which includes (a) a plastic substrate; (b) a metal reinforcing piece connected to the substrate and (c) at least one bridge. The metal reinforcing piece includes (i) a hinge sheet for bridging a channel for passage of an airbag in at least one region and (ii) a fastening frame for an airbag module which is connected in one piece with the hinge sheet via a hinge web. The at least one bridge engages behind the substrate in the at least one region. The bridge fixes the fastening frame to the substrate. The hinge sheet is mounted on a side of the substrate which faces away from an interior.