The former Arsenal man, who was forced off with a dead hip in 2-0 victory over Leeds United, drops to the bench.
Ryan Woods, who was taken off with a knock to his Achilles in the same game, is fit enough to start for the west Londoners.
Maxime Colin continues to be absent due to his calf strain sustained in the 2-0 victory over Bristol City with Josh Clarke continuing to deputise.
The Bees are looking to earn a fourth straight win for the first time this season.
Former Brentford loanee Kadeem Harris starts for Cardiff and he is one of Neil Warnock making six changes for the contest.
The injured Sol Bamba is replaced by Sean Morrison. Matt Connolly, Craig Noone, Anthony Pilkington, Declan John and Greg Halford drop to the bench.
Jazz Richards, Morrison, Harris, Peter Whittingham, Joe Ralls and Junior Hoilett come into the starting XI.
Brentford: Bentley, Colin, Dean, Barbet, Henry, Sawyers, Woods, Kerschbaumer, Jota, Vibe, Canos.
Substitutes: Bonham, Jozefzoon, Yennaris, Hofmann, McCormack, Egan, Field.
Cardiff: McGregor, Richards, Morrison, Manga, Bennett, Harris, Gunnarsson, Whittingham, Ralls, Hoilett, Zohore.
Substitutes: Murphy, Noone, John, Pilkington, Halford, Connolly, Lambert.