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-rw-r--r--setup-alpine.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/setup-alpine.in b/setup-alpine.in
index 4aa5da3..efd6d4a 100644
--- a/setup-alpine.in
+++ b/setup-alpine.in
@@ -46,7 +46,7 @@ while getopts "af:c:hq" opt ; do
*) usage;;
esac
done
-shift `expr $OPTIND - 1`
+shift $(expr $OPTIND - 1)
rc_sys=$(openrc --sys)
# mount xenfs so we can detect xen dom0