St Mirren manager Stephen Robinson believes his side's Scottish Cup fate could have changed if they had been awarded a penalty against Hearts.
The Buddies played their part in an enthralling quarter-final tie at Tynecastle but were on the wrong end of a 4-2 scoreline.
Eamonn Brophy's strike and a Connor Ronan wonder goal weren't enough as Beni Baningime, Peter Haring, Aaron McEneff and Ellis Simms goals won it for the Jambos.