diff --git a/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS for Raspberry Pi.rst b/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS for Raspberry Pi.rst
index 0629765..ac76833 100644
--- a/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS for Raspberry Pi.rst	
+++ b/docs/Getting Started/Ubuntu/Ubuntu 20.04 Root on ZFS for Raspberry Pi.rst	
@@ -680,6 +680,7 @@ Step 6: Full Software Installation
 #. Optional: Install a full GUI environment::
 
      apt install --yes ubuntu-desktop
+     echo dtoverlay=vc4-fkms-v3d >> /boot/firmware/usercfg.txt
 
    **Hint**: If you are installing a full GUI environment, you will likely
    want to remove cloud-init as discussed above but manage your network with