diff --git a/nixos/modules/services/x11/desktop-managers/pantheon.nix b/nixos/modules/services/x11/desktop-managers/pantheon.nix
index 38440ccbd032..d80ea9a53e80 100644
--- a/nixos/modules/services/x11/desktop-managers/pantheon.nix
+++ b/nixos/modules/services/x11/desktop-managers/pantheon.nix
@@ -79,8 +79,7 @@ in
         Using Pantheon without LightDM as a displayManager will break screenlocking from the UI.
       '';
 
-    services.xserver.displayManager.lightdm.enable = mkDefault true;
-    services.xserver.displayManager.lightdm.greeters.gtk.enable = mkDefault true;
+    services.xserver.displayManager.lightdm.greeters.pantheon.enable = mkDefault true;
 
     # If not set manually Pantheon session cannot be started
     # Known issue of https://github.com/NixOS/nixpkgs/pull/43992