Launceston ended a five-game losing streak as they beat Worthing 29-19 at Polson Bridge in National Two South.
The win, which was just their third of the season, sees them move up to fourth from bottom in the table.
"I'm delighted for the boys," director of rugby Neil Bayliss said.
"We've been training hard for the last month and, looking back, results haven't gone our way," Bayliss told BBC Radio Cornwall, having seen his side lose by one point four times this year.
"It showed at the end of the game the togetherness we've got in the squad this season.
"Everyone's happy and there's a buzz about the place again, which is great, and I'm particularly pleased for the supporters who have stuck by us this season.
"I said 'stick with us, we'd turn someone over'. Credit to Worthing, they're a class side, but we've stuck to our guns and come out 29-19 winners."