Former Nationals leader Barnaby Joyce has made it clear he has ambitions to lead again but says he would only take the job if it was offered to him.

His comments come with Mr McCormack under pressure from some Nationals who describe the deputy prime minister as "ineffective" and believe him unwilling to stand up to the Liberal party.

There has been speculation Mr Joyce's supporters could try to topple him within days but the deputy prime minister will not be stepping down.

"The fact is I have the majority support in the National Party," Mr McCormack told reporters on Thursday.

"Not one National Party member has come to me and said they're dissatisfied with anything."

Nationals Senator Matt Canavan agrees with his boss, saying nobody has spoken with him about changing leaders either.

"There's absolutely no sentiment for this; we've got enough to do for regional Australia," he told ABC Radio on Thursday.

Frontbencher Michelle Landry offered a similar line.

"We know that Barnaby Joyce is very ambitious and would want to go back in that role again but now is certainly Michael's time - he's doing a great job," she told the ABC.

Mr McCormack has led the federal party since February when Mr Joyce resigned after an affair with a former staffer who gave birth earlier this year.

Mr Joyce has confirmed he wants to be Nationals leader again but says he's not actively pursuing it.

"I have not made one call to one colleague asking for a vote," Mr Joyce told Sky News on Wednesday.

"There's been no secret meetings in my room, there's no WhatsApp group, there's no dinner conversations."

Australian Associated Press