Walton & Hersham boss Les Cleevely accused Ryman South referees of risking his side's promotion hopes after the Swans shared the points in a controversial six-goal thriller with Kingstonian on Saturday.
Walton appeared to be coasting to a vital win over their play-off rivals when leading 3-1 with 20 minutes to play, thanks to a Julien Thompson hat-trick.
But a dubious penalty decision threw Ks a lifeline and they struck back to earn a share of the spoils.
And Cleevely let rip at the man in the middle.
He said: "It was a shambles. The game was over when we led 3-1 and then the ref makes a ridiculous penalty decision.
"The ref saw something nobody else did - even their player admitted he had bought the pen.
"I am totally fed up with talking about the standard of refereeing."
Walton missed a chance to leapfrog Ks into the top five but Cleevely remained bullish about his side's chances.
He added: "We still have two games in hand.
"The league will not be decided by what happens this week.
"I wasn't disappointed in the performance - just the result."
The Swans visit fellow promotion hopefuls Sittingbourne this weekend.
Cleeveley added: "After Sittingbourne, our run in is pretty good but it is still all about one game at a time.
"We have to remain calm, continue to play football and keep working hard."
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