With Jake Livermore having been re-called by parent club Tottenham and JoshSimpson struggling with a virus they are particularly stretched in midfield.
The likes of Lanre Oyebanjo and JoshSimpson have been linked with moves away from the Glass World, however Fallon says the emphasis is now on adding to the squad.
Given that the club's record signing - midfielder JoshSimpson - cost less than a 10th of that sum, this season's FA Cup will prove magical for Histon whatever the outcome on Saturday.