An opinion poll out tomorrow shows support for Fianna Fáil at its lowest level ever and puts the party in fourth place behind Sinn Féin.
The Red C Poll for the Irish Sun shows Fianna Fáil on 13%, a drop of 3% on the last poll almost two weeks ago.
Fine Gael are on 32% per cent, down one, while Labour are also down three to 24%.
The Greens remain unchanged, while support for Sinn Féin has jumped by five points to 16%, putting them in third position.
Independents and others have also seen a rise in support of three points.
Support for Brian Cowen to continue as Taoiseach, meanwhile, is down to 8%.
Eamon Gilmore remains the most popular choice as Taoiseach. He is up from 39 to 41%.
Enda Kenny has also jumped two points, and was the choice of 25% of people polled.