diff --git a/configuration.nix b/configuration.nix
index 6e84b8a..6d19f5e 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -51,7 +51,7 @@
   # Enable the X11 windowing system.
   services.xserver.enable = true;
   # Enable the KDE Plasma Desktop Environment.
-  services.xserver.displayManager.sddm.enable = false;
+  services.displayManager.sddm.enable = false;
   services.xserver.desktopManager.plasma5.enable = false;
   services.greetd.enable = true;
   programs.regreet.enable = true;
@@ -67,8 +67,8 @@
   
   # Configure keymap in X11
   services.xserver = {
-    layout = "us";
-    xkbVariant = "";
+    xkb.layout = "us";
+    xkb.variant = "";
   };
 
   # Enable CUPS to print documents.
@@ -146,8 +146,8 @@
   
   security.polkit.enable = true;
   # Enable automatic login for the user.
-  services.xserver.displayManager.autoLogin.enable = false;
-  services.xserver.displayManager.autoLogin.user = "insert";
+  services.displayManager.autoLogin.enable = false;
+  services.displayManager.autoLogin.user = "insert";
   
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;