Ryan Woods is suspended for Brentford after receiving a straight red card in the 1-1 home draw with Sheffield United on Friday.
Romaine Sawyers could be involved after serving his one-match ban, while Andreas Bjelland might return following a calf injury.
Meanwhile, Bristol City centre-back Aden Flint is available again after serving a three-match ban.
Last season: Brentford 2 Bristol City 0, Bristol City 0 Brentford 1
Last five league matches: Bristol City W L D W D; Brentford W L L D D
Match odds: City 13-10; Brentford 9-5; Draw 11-4
Referee: Keith Stroud (Hampshire)