Australia suffered a big blow Saturday with star fast bowler Josh Hazlewood ruled out of their two upcoming Tests against Sri Lanka with a back injury, and Jhye Richardson replacing him.
The vice-captain has hurt the same part of his back that sidelined him last year.
But Cricket Australia physiotherapist David Beakley said he was confident Hazlewood would recover in time for the World Cup in England and Wales.
"Josh has reported some back soreness over the last few days and scans have revealed a very early stage stress fracture in the same lower back area as his previous injury from last summer," he said on the Cricket Australia website.
"He will now begin a rehabilitation program and we are confident he will be available for selection ahead of the ICC Cricket World Cup in the UK later this year."
Richardson, who has impressed in the one-day series against India, joins Mitchell Starc, Pat Cummins and Peter Siddle as the pace attack in the squad to face Sri Lanka.
The first Test – a day-nighter – starts next Thursday in Brisbane, with the second in Canberra.
"Jhye has had an impressive first half in his Sheffield Shield season and no-one could deny he has now continued that form in ODI matches for Australia," said national selector Trevor Hohns.
"We consider Jhye to be an ideal replacement in the squad for Josh."
Revised Australia squad: Joe Burns, Pat Cummins, Marcus Harris, Travis Head, Usman Khawaja, Marnus Labuschagne, Nathan Lyon, Tim Paine (capt), Will Pucovski, Matt Renshaw, Jhye Richardson, Mitchell Starc, Peter Siddle.
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Following a breakthrough in talks with Cricket Australia, the England and Wales Cricket Board on Friday said they had given "conditional approval" for the tour to go ahead.
Joe Root's team are due to play a five-Test series starting in Brisbane on 8 December, with further matches in Adelaide, Melbourne, Sydney and Perth.
Hockley said both teams should be able to live normal lives in public, within reason, during the five-Test series that is due to start in Brisbane on 8 December.