Wind deflector having a vehicle-mounted base for connecting a deflector element

A wind deflector for an openable vehicle roof having a displaceable lid element, the wind deflector having a deployable deflector element made of a flat, flexible material and a pivotable deploying bow, the lower edge of the deflector element being mounted on a vehicle-mounted base via a lower edge strip and the upper edge of the deflector element being mounted on a pivotable deploying bow. The vehicle-mounted base has a supporting portion on which a fastening strip is mounted. Across its length, the lower edge strip has a uniform cross section having a hook geometry which interacts with the fastening strip.