diff --git a/nixos/modules/services/x11/display-managers/lightdm.nix b/nixos/modules/services/x11/display-managers/lightdm.nix
index e988302cc5f3..e7ddb7ff254d 100644
--- a/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm.nix
@@ -76,6 +76,7 @@ let
     [greeter]
     theme-name = Adwaita
     icon-theme-name = Adwaita
+    background = ${cfg.background}
     '';
 
 in
@@ -101,6 +102,13 @@ in
         };
       };
 
+      background = mkOption {
+        default = "${pkgs.nixos-artwork}/gnome/Gnome_Dark.png";
+        description = ''
+          The background image or color to use.
+        '';
+      };
+
     };
   };
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c7ab7a6e7c87..62f5db40fa8d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13448,6 +13448,7 @@ let
 
   nix-serve = callPackage ../tools/package-management/nix-serve { };
 
+  # Remember to check the default lightdm wallpaper
   nixos-artwork = fetchgit {
     url = "git://github.com/NixOS/nixos-artwork";
     rev = "e71b6846023919136795ede22b16d73b2cf1693d";