Larne went up to two places in the fourth place in the Irish League table by beating 2-1 over his competitors in East Inter, Derby Carrick Rangers on Taylors Street.
Nedas Maciulaitis took advantage of the house close to the 24th minute to put the hosts at the front, but Sean Graham tied a head in 66.
Trianan O'Connor fired the fire in the lower corner with seven minutes staying to become the winner and his first goal since he signed the Harland & Wolf champion.
Larne is now not defeated in nine league matches.
On the same time BalllyCastle, Coleerin drew 0-0 with Cliftonville.
The RDS team, which was ranked seventh, remains three points in the front of Bannsiders in the eighth.
