Danny Meadows scored his first goal of the season as Alfreton secured a narrow victory over struggling Macclesfield.
The hosts, who are without a win eight games into the campaign, fell behind when Meadows slotted home from John McGrath's free-kick.
Earlier on, Alfreton appealed for a penalty when Paul Clayton was tripped but their shouts were waved away.
Macc went close to equalising in the second half but James Bolton's header drifted wide.
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