diff --git a/group_vars/thinkpad.yml b/group_vars/thinkpad.yml
index 11b68c5..a194fd6 100644
--- a/group_vars/thinkpad.yml
+++ b/group_vars/thinkpad.yml
@@ -97,3 +97,4 @@ print_os_vars: true
 install_pass_as_password_manager: true
 extra_bashrc: "alias dd='dd bs=4M status=progress oflag=dsync'"
 temporarily_disable_screensaver: false
+modify_lightdm: false