Australia Sevens coach Tim Walsh concedes the team has to sort their discipline, unable to overcome a red card to Teagan Levi in their 19-12 defeat to Great Britain.
It's the third time the Aussies have received a red card on the World Series in 2023-24.
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Whilst in the other two matches they have defied the odds, the loss of the much-improved Levi was too much to overcome as Great Britain pulled off the upset.
"We should be the Aussie sixes at the moment," Walsh remarked after the game. "We're playing with six players a lot. When you're in attack, you can't play a switch, you isolate yourself so we should be passing and chasing our passing so there's no losing the ball at the breakdown.
"Evidence suggests yes (there is an issue). It's the laws of the game and it's for the welfare and safety of the players.
"So we have been working on it, just to get that front foot in and get a little bit lower. But obviously, we've got to work a little bit harder."
Great Britain stunned the Australians early as Rhona Lloyd raced away for the opening try.
The Aussies quickly shrugged off the slow start when Bienne Terita barged her way past two defenders to put Alysia Lefau-Fakaosilea over.
However, the flash point of the game was to come as Levi was red-carded shortly after the restart.
Levi collected Emma Uren high, with the TMO finding the contact warrant a red card.
She will likely join sister Maddison on the sidelines, serving a ban from their Cape Town Final heroics.
As it has in the past, the red card motivated the Australians and it was Terita again causing havoc, crossing for a 12-7 lead at the break.
The Brits looked to push the pace with the extra player advantage but Terita was once again there for the try-saver.
They held on for as long as possible before Uren levelled the scores in the final minutes.
Charlotte Caslick hunted the line late but the GB side was able to force the turnover penalty and Jasmine Joyce was there to sprint away for the winner off the resulting scrum.
