An apparatus for helping to protect an occupant of a vehicle includes a curtain airbag inflatable from a stored condition in which the airbag is rolled and/or folded to a deployed condition in which the curtain airbag is positioned between a side structure of the vehicle and the vehicle occupant. The curtain airbag comprises an inflator mouth configured to receive an inflator. The curtain airbag comprises a bracket tab proximate to the inflator mouth and configured to receive an inflator bracket. A tether has first and second end portions. The first end portion of the tether is connected to a portion of the curtain airbag adjacent to the bracket tab. The second end portion of the tether is connected to the bracket tab.