Oldham defender Kelvin Lomax has extended his loan spell at Rochdale for further month.
The 20-year-old has made six appearances since arriving on 15 September and his new deal will not include a recall clause.
Lomax made his first-team debut for the Latics in 2004 and has made 22 career appearances in total.
He struggled to break into the Oldham team and has been kept at Rochdale to help ease defensive injuries