diff --git a/configuration.nix b/configuration.nix
index f08886d..b2d408c 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -109,6 +109,10 @@
       desktopManager.xterm.enable = false;
       desktopManager.default = "none";
       windowManager.default = "bspwm";
+      displayManager.slim.theme = pkgs.fetchurl {
+        url    = "https://github.com/rnhmjoj/nix-slim/archive/0.2.0.tar.gz";
+        sha256 = "08m6ks6crdyr02ll50gy3vpn3rzq6rp5jm2bli526r432xacdmj1";
+      };
     };
 
     mpd = {