diff --git a/linux/protostar/gui.nix b/linux/protostar/gui.nix
index a2e82f9..866d9f1 100644
--- a/linux/protostar/gui.nix
+++ b/linux/protostar/gui.nix
@@ -1,4 +1,4 @@
-{ config, ... }:
+{ config, pkgs, ... }:
 
 let usr = config.constants.userName; in {
   jovian = {
@@ -6,13 +6,16 @@ let usr = config.constants.userName; in {
     steam = {
       enable = true;
       autoStart = true;
-      desktopSession = "plasma";
+      desktopSession = "RetroArch";
       user = usr;
     };
   };
 
   services.xserver = {
     enable = true;
-    desktopManager.plasma6.enable = true;
+    desktopManager.retroarch = {
+      enable = true;
+      package = pkgs.retroarchFull;
+    };
   };
 }