Halle Berry is no longer able to wear her Cannes opening night dress because outfits with long trains are banned from the red carpet.

While nudity was never previously endorsed at the festival, Cannes updated its dress policy on the eve of its 78th edition to read that “nudity is prohibited on the red carpet, as well as in any other area of the festival.

A rep tells THR that festival’s official charter was just updated to reflect “certain rules that have long been in effect” and the aim is “not to regulate attire per se but to prohibit full nudity on the carpet.