diff --git a/roles/home-gui/files/gnome-setup.sh b/roles/home-gui/files/gnome-setup.sh
index a3be3a1..624dbe8 100644
--- a/roles/home-gui/files/gnome-setup.sh
+++ b/roles/home-gui/files/gnome-setup.sh
@@ -1,7 +1,11 @@
 #!/bin/sh
 
-# Leave commented for light mode, or uncomment for dark mode.
-_acp_dark_mode=1
+
+if [ "$(cat /sys/devices/virtual/dmi/id/product_name)" = "Latitude 7490" ]
+then
+    # Leave commented for light mode, or uncomment for dark mode.
+    _acp_dark_mode=1
+fi
 
 test -x /usr/bin/gsettings || (echo "gsettings not found" && exit 1)