The young midfielder initially joined on a month's emergency loan from the Championship club until March, having also played for the club during the 2009/10 season.
Djilali replaced Jack Lester against Rotherham on Friday, whose second hat-trick of the season helped the Spireites on thier way to a resounding 5-0 victory over thier local rivals.
The 20-year-old will now return to the Championship strugglers on April 16, after the home game against Macclesfield.
Source: PA
