diff --git a/hosts/aarch64-linux/alastor/default.nix b/hosts/aarch64-linux/alastor/default.nix
index a120217..b79c949 100644
--- a/hosts/aarch64-linux/alastor/default.nix
+++ b/hosts/aarch64-linux/alastor/default.nix
@@ -56,8 +56,8 @@
 
   # Enable the X11 windowing system.
   services.xserver.enable = true;
-  services.xserver.displayManager.gdm.enable = true;
-  services.xserver.desktopManager.gnome.enable = true;
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.desktopManager.plasma6.enable = true;
 
   # Configure keymap in X11
   # services.xserver.xkb.layout = "us";