St Mirren's incredible unbeaten home run came to a painful end as Elie Youan's second-half strike saw them suffer their first defeat on home soil since July.
The Buddies were hoping to make it 13 without a loss at a packed and expectant SMiSA Stadium. After squandering a couple of promising chances in an extremely blustery first half, the Saints found themselves behind after the break when Frenchman Youan found the bottom corner past a sprawling Trevor Carson.
Tony Watt and Thierry Small made their home debuts for St Mirren off the bench but couldn't inspire their new club to a comeback, with Stephen Robinson's side slipping down to sixth in the Premiership table on the back of the defeat. The Buddies do still have a game in hand on Hibs, who leapt above them into fifth spot.