NRL video referee Paul Simpkins has been stood down over his controversial no-try decision during the Manly-North Queensland clash on Saturday.

Simpkins ruled that Manly centre Jamie Lyon knocked-on before flicking a pass to Sea Eagles winger Michael Oldfield who ran 60 metres to cross the tryline late in the game won 22-20 by the Cowboys.

In their review on Monday, NRL referees' coaches Stuart Raper and Bill Harrigan ruled that Lyon had knocked the ball back, rather than forward, and a try should have been awarded to Oldfield.

"A lot of the time we are talking about decisions that can be fairly argued either way but there are also times when the referees have to accept that they simply made the wrong call and this is one of those occasions," Harrigan said.

"The ball was always going back from the hands, the video referee had the 40m line as a guide and the try therefore should have been awarded.

"Paul (Simpkins) has accepted the consequences of that and has been replaced for the Round nine Gold Coast match that we had scheduled him for."

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