Senior coach Stuart Gray has made four changes in total to the side that was beaten 3-0 by Nottingham Forest last time out as Dembele, Ashley Richards, Luke Garbutt and Andy Lonergan all come into the lineup.
Fulham: Lonergan; Richards, Stearman, Ream, Garbutt; Fredericks, Parker, Cairney, O'Hara; McCormack, Dembele
Subs: Lewis, Hutchinson, Hyndman, Burn, Kacaniklic, Woodrow, Smith
Brentford: Button; Yennaris, Tarkowski, O'Connell, Bidwell; Diagouraga, Woods, Kerschbaumer, Canos; Judge, Vibe
Subs: Bonham, Saunders, McEachran, Hofmann, Swift, Jota, Barbet