1 files changed, 1 insertions, 1 deletions

diff --git a/mkarchroot.in b/mkarchroot.in
index 3aff357..152d323 100644
--- a/mkarchroot.in
+++ b/mkarchroot.in
@@ -40,7 +40,7 @@ while getopts 'hC:M:c:f:s' arg; do
 		*) error "invalid argument '%s'" "$arg"; usage ;;
 	esac
 done
-shift $(($OPTIND - 1))
+shift $((OPTIND - 1))
 
 (( $# < 2 )) && die 'You must specify a directory and one or more packages.'