diff --git a/install/desktop/set-gnome-settings.sh b/install/desktop/set-gnome-settings.sh
index 7aceb5b..b5f8568 100644
--- a/install/desktop/set-gnome-settings.sh
+++ b/install/desktop/set-gnome-settings.sh
@@ -6,3 +6,6 @@ gsettings set org.gnome.desktop.interface monospace-font-name 'CaskaydiaMono Ner
 
 # Reveal week numbers in the Gnome calendar
 gsettings set org.gnome.desktop.calendar show-weekdate true
+
+# Turn off ambient sensors for setting screen brightness (they rarely work well!)
+gsettings set org.gnome.settings-daemon.plugins.power ambient-enabled false