Outspoken Coalition MP George Christensen says he has no plans to join a new breakaway party spearheaded by Cory Bernardi, but has warned Prime Minister Malcolm Turnbull the government's position will become "untenable" unless it embraces conservative causes.

Liberal senator Eric Abetz, a fellow conservative, also scotched suggestions he could join the new conservative party spearheaded by Senator Bernardi.

​Mr Christensen, a Nationals MP from north Queensland, said Senator Bernardi's defection sent a message to the Coalition that its base is "disgruntled" and that it needs to more strongly embrace "conservative principles".

Speaking to reporters at Parliament House on Monday, Mr Christensen said: "I'm loyal to Barnaby Joyce, I'm loyal to the National Party and the LNP.