Hereford United's opponents next Saturday, Arlesey Town were defeated by Corby this evening.
Arlesey went 2-1 ahead in the 59 minute but Corby equalised on 61 minutes.
Then, after three minutes of added time, Corby scored the winner.
There were also wins for Cambridge City, who now top the League, and Burnham this evening.
Hereford remain in 17th position.