diff --git a/setup-usl-mm b/setup-usl-mm
index b35b49c..0353787 100755
--- a/setup-usl-mm
+++ b/setup-usl-mm
@@ -8,7 +8,7 @@ pre_reboot_script () {
 	apt install cryptsetup ecryptfs-utils zfsutils-linux -y
 
 	echo "Disabling zpool auto-scrub"
-	sed -ie 's/^/#/' /etc/cron.d/zfsutils-linux
+	sed -i 's/^/#/' /etc/cron.d/zfsutils-linux
 
 	echo "Starting ecryptfs-setup-swap"
 	ecryptfs-setup-swap