diff --git a/nixos/modules/services/x11/display-managers/slim.nix b/nixos/modules/services/x11/display-managers/slim.nix
index c7fbfa85e33..545f4283828 100644
--- a/nixos/modules/services/x11/display-managers/slim.nix
+++ b/nixos/modules/services/x11/display-managers/slim.nix
@@ -56,7 +56,10 @@ in
 
       theme = mkOption {
         type = types.nullOr types.path;
-        default = null;
+        default = pkgs.fetchurl {
+          url    = https://github.com/jagajaga/nixos-slim-theme/archive/1.1.tar.gz;
+          sha256 = "66c3020a6716130a20c3898567339b990fbd7888a3b7bbcb688f6544d1c05c31";
+        };
         example = literalExample ''
           pkgs.fetchurl {
             url = "mirror://sourceforge/slim.berlios/slim-wave.tar.gz";