Chesterfield manager John Sheridan has extended the loan of Peterborough United defender Scott Griffiths by another two months.
The 24-year-old was initially brought in on a one-month deal but will now remain with the Spireites until November 6.
Griffiths told the club's official website: "I am delighted to be staying a couple more months as I am enjoying my football and am pleased we have started so well."
Manager John Sheridan added: "We are pleased to keep him, he has done really well.
"I think the Chesterfield fans have been quite impressed by what they have seen of him."