Conor Tourish makes his first start for Finn Harps as Ollie Horgan makes three changes from Friday nights 0-0 draw with UCD.
The 26-year-old defender joined the club earlier this year from Ulster Senior League outfit Letterkenny Rovers and came on as a substitute for Regan Donelon with 10 minutes to go.
Tourish, Ryan Rainey and Mark Timlin all come in to the side for Donelon, Bastien Héry and Yoyo Mahdy.
Kick-off at Oriel Park is at 7:45pm with coverage on LOITV.
Finn Harps: Mark Anthony McGinley; Ethan Boyle, Conor Tourish, José Carrillo, David Webster; Ryan Connolly, Élie-Gaël N’Zeyi, Mark Timlin, Barry McNamee, Ryan Rainey; Filip Mihaljević.
Subs: Gavin Mulreaney, Jesse Devers, Yoyo Mahdy, Eric McWoods, Luke Rudden, Bastien Héry, Nathan Logue, Stephen Black, Damien Duffy
Dundalk: Nathan Sheppard; Lewis Macari, Brian Gartland (C), Andy Boyle, Sam Bone, Robbie Benson, Steven Bradley, Dan Williams, Joe Adams, Paul Doyle, David McMillan.