diff --git a/machines/sayuri/configuration.nix b/machines/sayuri/configuration.nix
index b4785a5..72928c7 100644
--- a/machines/sayuri/configuration.nix
+++ b/machines/sayuri/configuration.nix
@@ -31,4 +31,13 @@
   networking.hostName = "sayuri";
 
   system.stateVersion = "20.03";
+
+  specialisation = {
+    foldingathome.configuration = {
+      services.foldingathome = {
+        enable = true;
+        user = "sbruder";
+      };
+    };
+  };
 }
diff --git a/modules/unfree.nix b/modules/unfree.nix
index 96cd444..923070e 100644
--- a/modules/unfree.nix
+++ b/modules/unfree.nix
@@ -28,6 +28,7 @@ in
       ] ++ lib.optionals cfg.allowSoftware [
         "osu-lazer" # exception: is mostly free (just has one unfree dependency) and runs in container
         "p7zip" # exception: rar source code is not free, but available; p7zip with `enableUnfree` includes it
+        "fahclient" # exception: for science
       ]
     ));
   };