diff --git a/stage2/01-sys-tweaks/01-run.sh b/stage2/01-sys-tweaks/01-run.sh
index 961daed..aca8074 100755
--- a/stage2/01-sys-tweaks/01-run.sh
+++ b/stage2/01-sys-tweaks/01-run.sh
@@ -71,8 +71,8 @@ on_chroot << EOF
 DEBIAN_FRONTEND=noninteractive dpkg-reconfigure keyboard-configuration
 EOF
 
-sed -i 's/^#?Storage=.*/Storage=volatile/' "${ROOTFS_DIR}/etc/systemd/journald.conf"
+sed -i 's/^#\?Storage=.*/Storage=volatile/' "${ROOTFS_DIR}/etc/systemd/journald.conf"
 
 if [ -e "${ROOTFS_DIR}/etc/avahi/avahi-daemon.conf" ]; then
-  sed -i 's/^#?publish-workstation=.*/publish-workstation=yes/' "${ROOTFS_DIR}/etc/avahi/avahi-daemon.conf"
+  sed -i 's/^#\?publish-workstation=.*/publish-workstation=yes/' "${ROOTFS_DIR}/etc/avahi/avahi-daemon.conf"
 fi