diff --git a/Ubuntu-18.04-Root-on-ZFS.md b/Ubuntu-18.04-Root-on-ZFS.md
index d2cea2b..7a5a765 100644
--- a/Ubuntu-18.04-Root-on-ZFS.md
+++ b/Ubuntu-18.04-Root-on-ZFS.md
@@ -599,6 +599,8 @@ Choose one of the following options:
 8.2b  Install a full GUI environment:
 
     apt install --yes ubuntu-desktop
+    vi /etc/gdm3/custom.conf
+    In the [daemon] section, add: InitialSetupEnable=false
 
 **Hint**: If you are installing a full GUI environment, you will likely want to manage your network with NetworkManager: