An airbag module for protecting an occupant of a vehicle comprising an inflatable curtain airbag configured to deploy between an occupant and an interior side of the vehicle; an inflator for providing inflation gas for the airbag; a housing configured to surround the airbag; and a strap configured to retain the airbag in the housing prior to inflation and deployment of the airbag; wherein at least one end of the strap is connected to the housing.