Stephen Robinson is adamant his St Mirren side were beaten by the officials as much as they were by Hearts.
The ten-man Buddies’ eight-game unbeaten streak came to an end after the Jambos left Paisley with all three points.
In a contentious match, Alex Greive was unfortunate not to be awarded a penalty with Jak Alnwick also receiving a head knock in the build-up to the Edinburgh side’s second goal.