diff --git a/modules/desktop/gnome.nix b/modules/desktop/gnome.nix
index 98f8304..ff39d95 100644
--- a/modules/desktop/gnome.nix
+++ b/modules/desktop/gnome.nix
@@ -100,8 +100,8 @@ in {
         window-gap = 8;
       };
       "org/gnome/desktop/background" = {
-        picture-uri = "file://${pkgs.gnome.gnome-backgrounds}/share/backgrounds/gnome/adwaita-l.jpg";
-        picture-uri-dark = "file://${pkgs.gnome.gnome-backgrounds}/share/backgrounds/gnome/adwaita-d.jpg";
+        picture-uri = "file://${pkgs.gnome.gnome-backgrounds}/share/backgrounds/gnome/adwaita-l.jxl";
+        picture-uri-dark = "file://${pkgs.gnome.gnome-backgrounds}/share/backgrounds/gnome/adwaita-d.jxl";
       };
       "org/gnome/desktop/peripherals/touchpad" = {
         tap-to-click = true;