'Some will accuse of us being bigoted.'

The Australian Christian couple who pledged to divorce if same-sex marriage became law have now backtracked on their promise.

In 2015 Nick and Sarah Jensen made a public declaration in Canberra's City News that they would end their marriage iif same-sex marriage was legalised as a 'matter of concience'.

"Our view is that marriage is a fundamental order of creation. Part of God's intimate story for human history," Nick Jenson wrote.

"My wife and I, as a matter of conscience, refuse to recognise the government's regulation of marriage if its definition includes the solemnisation of same-sex couples."

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"This has been a big decision for my wife and I. Some will accuse of us being bigoted or too hateful to share. But this couldn't be further from our intentions.

The column gained wide-spread attention, and 100,000 people signed up to attend a Facebook event "Celebrating Nick and Sarah Jensen's divorce".

But after the Australian Parliament voted on Thursday to allow same-sex marriage, the Jensens released a new statement saying that current legislation made their divorce plan "untenable".

"My previous public comments regarding civil divorce never envisaged me separating from my wife, but rather our marriage from the state," Mr Jensen wrote.

"The legislation currently makes it untenable for us to do this under the law. The point we were highlighting and that still stands however is the fact that a redefinition of marriage changes the agreement under which we were originally married.

"We will be making no further comment."