diff --git a/os/layers/training-installer/includes.chroot/etc/dconf/db/gdm.d/00-power-button b/os/layers/training-installer/includes.chroot/etc/dconf/db/gdm.d/00-power-button
new file mode 100644
index 0000000..e9eefc3
--- /dev/null
+++ b/os/layers/training-installer/includes.chroot/etc/dconf/db/gdm.d/00-power-button
@@ -0,0 +1,5 @@
+# When power button is pressed, show power off dialog.
+# The default action is suspend, but laptops can be suspended by closing the
+# lid, so it's more useful if the power button does power off.
+[org/gnome/settings-daemon/plugins/power]
+power-button-action = 'interactive'