Notts County head coach Ian Burchnall admitted his side paid for a lack of bravery in possession as they were beaten at Chesterfield.
The Spireites ended the Magpies' five-game unbeaten run as they came from behind to snatch a 3-1 victory.
Eli Sam had given Notts the lead in the first half with a terrific strike, but Lawrence Maguire levelled after the break by heading in at the back post.