A veteran federal Labor MP is putting the Liberals ahead of the Greens on his how-to-vote cards.

A veteran federal Labor MP is putting the Liberals ahead of the Greens on his how-to-vote cards.

Melbourne Ports MP Michael Danby told Sky News on Monday the Liberals should rethink their tactic of preferencing the Greens in some seats.

Melbourne Ports MP Michael Danby told Sky News on Monday the Liberals should rethink their tactic of preferencing the Greens in some seats.