Wycombe were denied their first away league win since March when they let slip a two-goal lead at Chesterfield.
Wycombe took an early lead when Nathan Tyson scored from close-range and they doubled their lead when Stuart Nethercott headed home a free-kick.
Chris Brandon gave the Spireites hope with a low shot past Scott Bevan.
And they bagged an equaliser eight minutes from time when Ian Evatt headed in a corner after Bevan had tipped Brandon's shot around the post.
Chesterfield: Muggleton, Uhlenbeek, Blatherwick, Evatt, O'Hare,
Allott, Hudson, Niven, Brandon, Robinson, Hurst.
Reeves, Richmond, McMaster, Dawson.
Wycombe: Bevan, Senda, Reilly, Marshall, Nethercott, Simpson,
Bulman, Simpemba, Currie, McSporran, Tyson.
Faulconbridge, Roberts, Bloomfield, McClurg.
Referee: K Friend (Leicestershire).