Stephen Duke-McKenna's first-half strike was enough to give Harrogate Town a 1-0 win at Priestfield and end Gillingham's unbeaten start to the League Two season.
The forward evaded challenges on the 18-yard line before firing a left-footed effort into the bottom corner. Gillingham went close through Josh Andrews and Jonny Smith, but Harrogate held firm to secure a surprise win.
Duke-McKenna Punishes the Hosts
Following a fairly even start, it was Harrogate who took the lead just after the quarter-hour mark with their first meaningful chance.