diff --git a/tutorial1-setup.sh b/tutorial1-setup.sh
index 71e5b5d..533be0e 100644
--- a/tutorial1-setup.sh
+++ b/tutorial1-setup.sh
@@ -45,7 +45,7 @@
 sudo sed -i 's/disable=0/disable=1/g' /etc/lxdm/default.conf
 
 # Allow VM to be rebooted from GUI
-echo "session required pam_systemd.so" >> /etc/pam.d/lxdm
+echo "session required pam_systemd.so" | sudo tee --append /etc/pam.d/lxdm
 
 wget -O onos.png "https://gerrit.onosproject.org/gitweb?p=onos-vm.git;a=blob_plain;hb=refs/heads/onos-tutorial;f=onos.png"
 sudo cp onos.png /usr/share/backgrounds/default.png