A proposal to ban a transgender Montana lawmaker from using the women’s bathroom in the state's capitol building failed on Tuesday.

Montana lawmakers, including several Republicans, voted down a measure to ban the state’s first transgender legislator from using women’s restrooms at the State Capitol Tuesday.

The proposal would have effectively barred transgender women from using the State Capitol restroom for female lawmakers. Some Republicans joined Democrats in voting it down.

A measure to bar Montana Rep. Zooey Zephyr, the state’s first transgender legislator, from using the women’s restroom at the state capitol failed to pass the House rules committee Tuesday, with several Republicans voting against it.

The Montana Legislature’s Joint Rules Committee on Tuesday voted down a proposed rule change targeted at a Democratic transgender representative from Missoula that sought to designate the use of private restrooms shared by the two chambers based on a lawmakers’ sex chromosomes at birth.