Marriott CEO Arne Sorenson has joined the chorus of business leaders speaking out against a rash of so-called religious freedom bills.

Lawmakers in roughly a dozen states are considering adopting a version of the federal law approved by Congress in 1993. The bills differ, however, by expanding the definition of a person to include companies and associations. Opponents argue that the bills would open the door to discrimination against gay men and lesbian based on religious beliefs.

On Tuesday, Republican Indiana Governor Mike Pence called for a “fix” to a bill he signed last week, two days after he appeared on ABC's This Week to defend the legislation. And the Arkansas House approved similar legislation, prompting Arkansas-based Walmart, the world's largest retailer, to call for Republican Governor Asa Hutchinson to veto the bill.

(Related: Walmart asks Arkansas Gov. Asa Hutchinson to veto anti-gay bill.)

“The legislation in Indiana, and there are some bills being considered in other states, is not just pure idiocy from a business perspective, and it is that,” Sorenson said. “The notion that you can tell businesses that they are somehow free to discriminate against people based on who they are is madness.”

Apple CEO Tim Cook and Salesforce CEO Marc Benioff have also criticized such laws.