Niall McGinn and Miles Storey grabbed Aberdeen's first league goals of the season as Derek McInnes' men overcame Partick 2-1 at Pittodrie.
McGinn rocketed a 25-yard free-kick high into the net to open the scoring before Liam Lindsay's defensive error allowed Storey to double the lead.
Sean Welsh was sent off for the Jags, for whom Chris Erskine netted a late consolation.
The Dons had started brightly and a Peter Pawlett free-kick drew an impressive flying save from Thistle goalkeeper Tomas Cerny after 10 minutes.
The Dons midfielder had another chance shortly after, but his effort this time was weak and easily held by Cerny.
They were in control for much of the first half, and were rewarded when McGinn found the top left corner with a superb 25-yard free-kick after Abdul Osman was booked for bringing down Graeme Shinnie.
It was no less than the home side deserved, and Adam Rooney could have extended the lead when he and Cerny battled for a loose ball.
The keeper could not hold onto it and though Rooney reacted quickest to turn towards goal, Lindsay was well placed to deflect wide.
Thistle had settled into the game, though, and David Amoo's strong run on the break from a Dons corner brought about the chance of a leveller only for Shay Logan to block the winger's shot with his chest.
Alan Archibald's men continued to find their feet into the second half and former AFC Wimbledon striker Ade Azeez could have brought them level shortly after the break, only to turn wide from close range.
But the wind was knocked from their sails as the home side doubled their advantage thanks to Lindsay's clanger.
He tried to play out from the back but was caught in possession, the ball breaking kindly for Storey to stroke home his first Aberdeen goal and perhaps the simplest he will ever score.
Thistle threw on forwards Erskine, Kris Doolan and Mathias Pogba in a bid to rescue something from the game, but it was Aberdeen who passed up the opportunity to extend their lead further as Rooney fired wide from 10 yards with the goal at his mercy.
And any lingering hopes of a Jags revival were extinguished when Welsh saw red with five minutes remaining, the Jags midfielder initially booked for a foul then handed a second yellow card for dissent, arguing the same incident.
However, Erskine put the Jags on the scoresheet in the first of four minutes of injury time, given time and space to lash a superb left-foot effort into the top corner from 20 yards.