Fojticeck, 19, made 29 appearances for Celtic this season, only missing one game.
He kept seven clean sheets, and will return to Manchester United following the end of his loan.
Manager Simon Haworth said: “Alex was a pleasure to have in the dressing room, he was a big part of the team spirit we’ve built this season.
“Alex is a fantastic young lad and we wish him every success.”
Photo taken by Phillip Smith.
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