One of the Supreme Court’s most liberal justices questioned the validity of the Equal Rights Amendment, citing a ratification clause that could quash the decadeslong fight over the measure.

Speaking at Georgetown University Law Center on Monday evening, Supreme Court Justice Ruth Bader Ginsburg said she didn’t think the ERA could pass through as-is because of language in the original amendment that stipulated three-fourths of all states must ratify the amendment by 1982.