Airbag retaining device with a recess and a front wall whose central section is permanently attached to the module

An airbag restraint device comprises an airbag module that has a gas generator (5) and an airbag (3) with a front wall onto which the occupant to be restrained can impact in a restraint event and which has an indentation in which a center section (16) of the front wall is fastened to the module and is prevented from moving when the airbag (3) is inflated, and comprises a module cover (9) that closes an exit opening (41). A holding part that surrounds the gas generator and is fastened to the module is provided, to which the center section (16) is fastened.