Three defensive mistakes led to three goals in Australia's final friendly on the road to the World Cup, with Daniel Arzani scoring a debut international goal in a 2-1 win over Hungary in Budapest.
Arzani struck in the 74th minute before Trent Sainsbury's late own goal appeared to salvage a draw for Hungary.
Jackson Irvine's determination ensured the Socceroos would come out on top as his cross into the legs of Hungary captain Tamas Kadar trickled home past goalkeeper Denes Dibusz.
Dibusz, in just his second appearance for Australia, was already to blame for Arzani's opener.