Oscar season is never without its share of controversy, and this year is no different. While the Academy has so far avoided many #OscarsSoWhite accusations, in a year when multiple feature films and documentaries about people of color (as well as the stars of those projects themselves) have received recognition, our nation’s new president has created a new problem. Donald Trump’s planned four-month-long ban on Muslims entering the U.S. would effectively keep Oscar-nominated director Asghar Farhadi from attending the ceremony.

Farhadi’s film The Salesman has been nominated for Best Foreign Language Film. In 2012 he won Best Screenplay for his film A Separation. The Independent reports that multiple sources have confirmed that Farhadi would be unable to enter the U.S. to attend the Oscars this year, because of the ban, which would bar nationals from seven different Middle Eastern countries.

One of the stars of the film, Taraneh Alidoosti, has already said that she will be boycotting the Oscars because of the ban, calling the executive order racist.

This is not the first time that immigration woes have had an effect on award season. Lion star Sunny Pawar was initially denied the visa he needed to enter the country to attend the premiere of his now-Oscar-nominated film. It took the Weinstein Company sending a direct appeal to Homeland Security to get him in. At that time, “immigration paranoia” was blamed for the denial—but Trump’s ban is a more concrete barrier, and could be more difficult to fight.