A Yemi Odubade goal was enough to give Gateshead victory away at Nuneaton.
The best chance during a scrappy first half fell to the Tynesiders' Josh Gillies, but his effort was well blocked by Boro defender Gavin Cowan.
It looked to be heading the same way in the second half until Odubade latched onto Phil Turnbull's pass and tapped home to put the visitors in front.
Andy Brown almost grabbed an late equaliser for the hosts, but his close-range effort flew over the crossbar.
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