Tuesday night's 1-0 win against Middlesbrough brought up the landmark for Billy Davies and his side, who may find themselves playing better and losing at times this season.
The managerless Teessiders made life difficult for their hosts but were undone by Lewis McGugan as the midfield man continued his good goalscoring form.
22,115 watched the action as Forest kept themselves firmly in the middle of the Championship pack ahead of another home game against Ipswich on Saturday.