Victory would see them draw level with sixthplaced Hartlepool and move within seven points of thirdpaced Sheffield Wednesday.
The Bees have no major injury worries for tonight's game must decide whether to stick with the line-up who drew 0-with Doncaster on Saturday. But Allen, who is looking strengthen his forward line, decide to start with Scott Fitzgerald up front.
The striker is keen to make mark before the end of his spell from Watford. Alex Rhodes is again absent he continues his recovery from a cruciate ligament injury.