diff --git a/configuration.nix b/configuration.nix
index 66c4a05..fd606aa 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -52,7 +52,7 @@
 
   services.avahi = {
     enable = true;
-    nssmdns = true;
+    nssmdns4 = true;
     publish = {
       enable = true;
       addresses = true;
@@ -84,8 +84,8 @@
   };
 
   # Enable automatic login for the user.
-  services.xserver.displayManager.autoLogin.enable = true;
-  services.xserver.displayManager.autoLogin.user = "mir";
+  services.displayManager.autoLogin.enable = true;
+  services.displayManager.autoLogin.user = "mir";
   # services.getty.autologinUser = "mir"
 
   # Workaround for GNOME autologin: https://github.com/NixOS/nixpkgs/issues/103746#issuecomment-945091229