Sydney Roosters NRL coach Ricky Stuart claimed his side should have been awarded two penalty tries after a courageous performance from the under-manned premiers went unrewarded.

The Roosters - missing seven players on State of Origin duty - led the Bulldogs 18-16 with 15 minutes remaining in the National Rugby League match at Aussie Stadium.

But late tries to NSW omissions Braith Anasta and Willie Mason ensured the 'Dogs snapped a two game losing streak with a 28-18 victory.

That left Stuart seething and unable to hide his disgust at video referee Graeme West's decision not to award penalty tries to the Roosters in the 12th and 71st minutes.

Stuart immediately questioned referees boss Robert Finch, but was still fuming nearly an hour after the match.

West elected to penalise Travis Norton for making a tackle on a try-bound Brad Fittler from an off-side position in the first instance, prompting the Roosters skipper to describe the decision as a "rort".

He also decided Jamie Feeney had legally stripped Eric Grothe as he went to plant the ball over the line in the second instance.

"It was a penalty try," Stuart said of the Fittler non-try.

"The bloke came from an off-side position. There would have been no double movement in that play if the player hadn't come from that position.

"That's six points under the posts.

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