A federal court blocked Joe Biden’s Title IX changes, halting efforts to redefine sex as gender identity, which critics hailed as a win for women’s rights.

A federal district court judge in Kentucky has struck down President Joe Biden’s effort to protect transgender students and make other changes to Title IX, ruling the U.S. Department of Education violated teachers’ rights by requiring them to use transgender students’ names and pronouns.

The Biden administration’s controversial attempt to redefine the definition sexual discrimination in Title IX by adding gender identity and sexual orientation, was struck down Thursday by a Kentucky federal court.