
The 17-year-old, who netted twice in the Posh’s FA Youth Cup victory over Blackpool last week, has recently spent a successful loan spell with the Pilgrims’ Blue Square Bet North rivals Hinckley United.
Joyce scored twice during his stint with the Leicestershire club and has now moved to The Jakemans Stadium ahead of a busy Christmas and New Year period.
The newcomer is available for selection ahead of Saturday’s trip to Guiseley.