Canterbury coach Kevin Moore doesn't expect video referee Chris Ward to retain his job next round after a crucial decision went against his side in their 30-16 loss to Melbourne.

Moore said the decision by Ward to disallow a try in the 29th minute due to obstruction was a "disgraceful call".

The Bulldogs looked like they had levelled the scoreline after a beautifully-worked move with the ball sent wide to young centre Tim Lafai, who touched down.

However Ward ruled no try as he believed Jake Foster had taken Storm halfback Cooper Cronk out of play.

It proved a turning point because instead of the Bulldogs converting the try for a 10-8 lead, two minutes later the Storm were in for their second try.

"It was a disgraceful call in my opinion," Moore said.

"If Chris Ward's in the video box next week than (referees' boss) Bill (Harrigan) is not fair-dinkum."

Moore said the decision was critical because of the Storm's next scoring play.

"The simple fact is that that set of six they wouldn't have had the ball, we would have been getting the ball on our own try-line, leading the game 10-8.

"We weren't good enough tonight but it's a massive, massive call on the game, it was appalling."

Storm coach Craig Bellamy surprisingly agreed with Moore that it was a tough call but said that the outcome was fair.

"They were unlucky with the obstruction call, it was a 50:50 call," Bellamy said.

"But I think at the end there was a forward pass in there so I suppose it mightn't be the way they got to that decision but at the end, the decision was right."

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