Injured defender Madjid Bougherra has been forced to return home early from Rangers' German training base.
However, Ibrox manager Ally McCoist is confident he will be fit for the start of the season.
The Algerian international has missed Rangers' first two pre-season matches against Sportfreunde Lotte and VFL Bochum because of a hamstring problem.
Bougherra is set to have the injury assessed once back in Scotland.
"It's just a niggle Madjid has more than anything, and he has still been able to do the extra work we've asked him to do with physio Stevie Walker," McCoist said.
"He has been running but he feels it is a little bit tight so we'll get him home, have the problem scanned and see what happens.
"It is not a massive issue."
Rangers begin their Scottish Premier League campaign against Hearts on 23 July, and McCoist is hopeful that Bougherra will be fit.
"The scan is just for confirmation more than anything else, that it's not a serious injury, but in the meantime we're not taking any chances," he added.
"We don't want Madjid to miss the Hearts game and that is why we've not been asking him to push himself too much.
"Everything he has done with us up until now has been well within his capabilities as we don't want to inflame the problem," added McCoist.