Brentford will continue to assess midfielder Alan Judge. He missed the 1-1 draw at Fulham last weekend with a hamstring injury, but has been able to return to some training sessions.
Defender Andreas Bjelland has shaken off the Achilles problem picked up at Craven Cottage and should be involved.
QPR manager Ian Holloway says defenders Alex Baptise and Jack Robinson are doubts because of a knee problem and illness respectively.
Nedum Onuoha is serving the last game of a three-match ban following his red card in the 4-0 defeat at Hull.
Regular goalkeeper Alex Smithies is awaiting the birth of his child, so Matt Ingram is expected to play again.
Last season: Brentford 3 QPR 1, QPR 0 Brentford 2
Last five league matches: Brentford D W W W D; QPR L W L W L
Top goalscorers (all competitions): Neal Maupay (Brentford) 13; Matt Smith (QPR) 10
Match odds: Brentford 4-7 Draw 16-5 QPR 9-2
Referee: Andrew Madley (West Yorkshire)