Two groups opposed to LGBT rights have filed a legal challenge to LGBT protections added to Indiana's version of the Religious Freedom Restoration Act (RFRA).

According to the Indiana Business Journal, the Indiana Family Institute and the American Family Association of Indiana filed the lawsuit Thursday in Hamilton County Superior Court.

The groups argue that the LGBT protections included in the law violate their religious liberties, freedom of conscience, right to free speech and association, equal protection under the law and right to due process.

Passage of Indiana's original version of the law led to several companies threatening to boycott the state, arguing that it would allow businesses to turn away gay and lesbian couples. The law was seen by many as a Republican response to defeat of Indiana's ban on gay marriage and the unraveling of a proposed constitutional amendment aimed at strengthening its definition of marriage as a heterosexual union.

Republican Governor Mike Pence at first defended the law, but later asked lawmakers for a “fix.”

The groups have also set their sights on comprehensive LGBT protection ordinances approved by the cities of Carmel and Indianapolis, arguing that both are unconstitutional.