Televangelist Pat Robertson on Friday advised a woman to shun her gay sister's wedding, media watchdog reported.

During a The 700 Club segment, Robertson answered a viewer's question.

“I've been asked to be a bridesmaid in my sister's wedding,” the viewer wrote. “There is only one problem: My sister is gay and she's marrying her partner. I don't know what to do. If I don't agree, our relationship will be ruined. I don't even know if I should attend the wedding, much less be a part of it.”

Robertson answered that the woman must decline the invitation because otherwise she would be agreeing that what her sister is doing is right.

“You know the Bible is so clear about homosexuality. … Read Romans, read the Book of Romans, this isn't something I came up with, read it in Romans. You say, 'Should I go to my sister's wedding? Should I participate?' The answer is to tell your sister, 'I love you. But I cannot participate in a ceremony which is contrary to God's word, period.'”

“If she doesn't like it, if that breaks the union between you, that's tough luck. You gotta stand for it,” he added. (The video is embedded in the right panel of this page. Visit our video library for more videos.)

(Related: Pat Robertson: Gay folks can un-acquire their sexuality.)