Two goals in the last five minutes condemned Notts County to defeat as Chesterfield secured a 3-1 victory at the Technique Stadium.
Elisha Sam had put the Magpies ahead in the first half when he thrashed a superb strike beyond Scott Loach.
But Chesterfield hit back after the break with Lawrence Maguire heading in the equaliser after Notts failed to deal with a second phase from a corner.
