The Pittsburgh City Council on Tuesday unanimously approved an ordinance that prohibits therapies to minors that attempt to alter their sexual orientation or gender identity.

According to the Pittsburgh Post-Gazette, Mayor Bill Peduto plans to sign the legislation.

“We join a growing list of cities that have taken these kinds of steps,” said Bruce Kraus, the council president and co-sponsor of the bill. “I suspect more will follow.”

Councilman Dan Gilman, who helped introduce the measure with Kraus, said that he had heard from constituents worried about Vice President-elect Mike Pence's “long-standing championing” of so-called conversion therapy. Pence in 2000 advocated for public funding for such therapies.

(Related: New York lawmaker's “PENCE” bill would ban 'ex-gay' therapy.)

Cities which have passed similar bans include Miami Beach, Wilton Manors, West Palm Beach, Cincinnati and Seattle.