Super League leaders Warrington will again be without captain Adrian Morley and stand-off Lee Briers for this Friday's home clash with Huddersfield.
Briers missed last Friday night's 48-18 win at Castleford with a torn calf, while Morley was out with a head injury sustained against St Helens on 24 June.
"We hope to get them back soon," coach Tony Smith told BBC Radio Merseyside.
"Louis Anderson is back, but Briers and Morley will be a bit longer. We have to make a couple of reshuffles again."
Stand-off Briers withdrew from the Wolves' squad for the game at Castleford less than 24 hours before the game.
"We've got a little more notice on it this week," admitted Smith. "Losing Lee Briers the day before the game was a bit disruptive to the team, having late changes, and probably contributed to some of our performance.
"But that's part and parcel of the Super League season. You're not going to have your best players on the field at all times.
"That's why it's a real test of the competition and a test for each team to do without some of their star players."