Livid Robbie Neilson slammed Aberdeen star Lewis Ferguson for his "blatant dishonest" to win a penalty towards Hearts.
The Gorgie aspect ran out comfy 2-0 winners towards the Dons with defenders John Souttar and Stephen Kingsley getting on the scoresheet.
However there have been nerves inside Tynecastle when Cammy Devlin was pulled up for fouling Ferguson within the space.
Scotland keeper Craig Gordon stepped as much as save nevertheless and Neilson believed justice was executed.
Talking on BBC Sportsound, he requested his interviewer: "What did you suppose? What did you suppose on the time?"
An ungainly to-and-fro fellowed earlier than the reporter admitted the Dons midfielder went down somewhat too simple.
"Aye," continued Neilson. "After seeing it once more, it is simpler than simple and that is the disappointing factor.
"And I am fairly positive that can get checked out as a result of it is not acceptable within the sport.
"It (the save) is simply justice. Aberdeen created nothing within the sport aside from someone diving like that to attempt to get the penalty.
"Fortunately it did not value us as a result of in the event that they get that objective from the penalty it completely adjustments the dynamic of the sport and so they may go and get one thing out of the sport after blatant dishonest.
"I do not blame the referee, I blame the participant for doing it."