Boston United beat Saturday's opponents Huddersfield in a tight match at Boston's ground.
The Terriers had only five first-team regulars and went behind when White drilled in from a tight angle.
Ian Ross forced two saves from visiting keeper Paul Rachubka and the Terriers levelled as Jonathan Worthington freed substitute David Mirfin to slot home.
But Maylett broke in the 74th minute to fire in from just inside the area.
Huddersfield: Rachubka, Hardy, McCombe, Tom Clarke, Lloyd, Young, Worthington (Holdsworth 69), Collins, Hand, Abbott (Nathan Clarke 73), Taylor-Fletcher (Mirfin 58).
Subs Not Used: Senior, Walls.
Goal: Mirfin 68.