On-loan goalkeeper Ben Hamer makes his Bristol City debut this afternoon after Frank Fielding suffered a shoulder problem during training.

Joe Bryan has shaken off a knee problem he picked up in last weekend's 2-0 defeat against Sheffield Wednesday and takes his place in Steve Cotterill's starting lineup.

Bristol City: Hamer; Ayling, Flint, Williams, Fredericks; Smith, Pack, Freeman, Bryan; Wilbraham, Kodjia.
Subs: O'Leary, El-Abd, Little, Wagstaff, Robinson, Burns, Agard

Brentford: Button; McCormack, Dean, Tarkowski, Bidwell; Diagouraga, Judge, Kerschbaumer; Gray, Hofmann, Gogia/
Subs: Bonham, Barbet, O'Connell, Vibe, Udumaga, Senior, Clarke