Lis Distillery 0-2 Donegal Celtic
The managerless Whites slumped to an eighth straight defeat as Donegal Celtic won at New Grosvenor.
DC keeper Robert Robinson made a good save from David Cushley in a poor first half while Darren Murray and Paul Bradley went close for the visitors.
Eamonn McAllister fired past Billy Brennan to put DC ahead on 67 minutes.
Distillery hit the woodwork twice but Celtic proved more clinical and Paul McVeigh sealed the points with a free-kick six minutes from time.