Norris and Piastri finished third and fourth behind Ferrari duo Carlos Sainz and Charles Leclerc in Melbourne after McLaren asked Piastri before halfway to swap positions with Norris.
But while the Australian rued missing out on a podium in front of his home crowd, he conceded the swap was fair because had been allowed to undercut his team-mate earlier in the race, and thereafter Norris was faster on fresher tyres.
