The tie will be played on the weekend of February 9 at Rugby Park.
The manager praised the pair on their return to the Killie starting XI.
The defender opened the scoring against Forfar with a brilliant strike
We make the trip to Pittodrie on Saturday, January 26 with 3pm kick off.
The service will be launched on Wednesday, January 23 against Rangers.
Get an early Christmas gift and help to get Rugby Park rocking.
Wed 23 Jan 2019, 7:45PM
Sat 26 Jan 2019, 3:00PM
Sat 19 Jan 2019, Scottish FA Cup
Sat 29 Dec 2018, Scottish Premiership
Wed 26 Dec 2018, Scottish Premiership