However the Bairns boss was pleased with the way his side coped with the enforced changes before and during the game, which saw Luca Gasparotto come in for Watson, Aird replace Craigen in the first half and Mark Kerr and Lewis Kidd step in for the suspended duo of Myles Hippolyte and Aaron Muirhead.
Houston said: “We had a lot of changes through suspension and injury but it shows the strength in depth we have.
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“ James Craigen has a puffy ankle. It could be ligament damage I imagine, but we’ll give it 48 hours.
“The changes that were forced upon us, we handled well, and shows the strength in depth we have.”