The former editor of an Iowa newspaper, Bob Eschliman, claims he was fired for expressing his religious beliefs on a personal blog.
In May, the Newton Daily sacked Eschliman two days after he wrote on his blog that gay organizations wanted to re-word the Bible to "make their sinful nature right with God."
His main objections criticized the Queen James Bible, which seeks to reinterpret verses that specifically refer to homosexuality.
The newspaper accused him in a public editorial of compromising the reputation of the newspaper.
The Liberty Institute, the legal group representing Eschliman, filed a complaint against the paper and its parent company, Shaw Media, with the U.S. Equal Employment Opportunity Commission. They claim the paper is guilty of discrimination and retaliation.
"No one should be fired for simply expressing their religious beliefs. That's exactly what happened to Bob. This kind of religious intolerance has no place in today's welcoming work force," Liberty Institute attorney Jeremy Dys told Fox News.
The publisher of the Newton Daily has declined to comment.