The Liberal Party is reviewing a preference swap with the Christian Democratic Party (CDP) in NSW after a CDP candidate said being gay was a "disorder" and a health risk.
Sydney pastor Andrew Green is the CDP candidate in the western Sydney seat of Lindsay, which is held by Labor frontbencher David Bradbury by a margin of 1.1 per cent.
Mr Green told a public forum last week, in a speech posted on YouTube, that he had "a lot of compassion for homosexual people".
He said two of his cousins who were gay had died.
"This is one of the things that happens in this lifestyle," Mr Green said.
"They have a lower life expectancy, homosexual men ... based on facts."
He said that until the early 1970s being gay was seen as a "disorder".
"I'm not against these people, but ultimately when you look at our society it is not going to work.
"Some would say people are born with this predisposition. I say to that that we are all born with predispositions that are not good."
He acknowledged his stance would put some people off voting for him in the federal election.
Mr Green's preferences will be crucial to the Liberal candidate for Lindsay Fiona Scott.
At the 2010 election, he received 2500 first-preference votes.
While the NSW Liberal Party said it was amending the preference deal struck with the CDP, on Wednesday morning how-to-vote cards being used at prepoll centres still had Mr Green in the number two position.
"Fiona Scott should condemn Mr Green's appalling comments and refuse to accept his preferences," Mr Bradbury told AAP on Wednesday.
A NSW Liberal Party spokeswoman said how-to-vote cards for polling day had not been finalised.
"After learning about comments made by Mr Green we have amended our interim how-to-vote cards," she said.
"In any event the contest in Lindsay is between the Liberal Party and Labor."
