Madjid Bougherra is sweating over his fitness ahead of the World Cup.
The Rangers defender has been hampered by injury problems throughout the season and failed to take part in the Scottish champions' final four games.
Algeria coach Rabah Saadane now wants Bougherra to rest for up to 10 days to ensure he is at peak fitness for the tournament, and said: "Madjid will be subject to intensive medical care. He came to this training camp with a torn calf and now our medical people will treat him in the best possible way to make sure he is fit in time for the finals."
Speaking of Algeria's chances at the World Cup in the Rangers News this week, Bougherra said: "We are going to go out on the pitch, enjoy ourselves and give everything for our country because we think we can do something special.
"Our big strength is our unity. We all want to succeed for Algeria because we all love our country and we will all work very hard together.
"It will be tough for us at the World Cup because every side there is good - but we are not afraid of anyone."
Algeria are in Group C alongside England, Slovenia and the USA.