diff --git a/nixos/modules/private-storage.nix b/nixos/modules/private-storage.nix
index c8258769f0f4ceb4bb2067b1bc241e6b8188fe0e..eab06650e5ae91dc6f2a992efbeec6615cdbfa85 100644
--- a/nixos/modules/private-storage.nix
+++ b/nixos/modules/private-storage.nix
@@ -35,11 +35,13 @@ in
     };
   };
   config = lib.mkIf cfg.enable
-  { services.tahoe.nodes."alpha" =
+  { services.tahoe.nodes."storage" =
     { package = config.services.private-storage.tahoe.package;
       sections =
       { node =
-        { nickname = "alpha";
+        # XXX Should try to name that is unique across the grid.
+        { nickname = "storage";
+          web.port = "tcp:3456:interface=127.0.0.1";
         };
         storage =
         { enabled = true;
diff --git a/nixos/modules/tests/private-storage.nix b/nixos/modules/tests/private-storage.nix
new file mode 100644
index 0000000000000000000000000000000000000000..048646a1f06d33904f6b2543558e2d08df3ea43a
--- /dev/null
+++ b/nixos/modules/tests/private-storage.nix
@@ -0,0 +1,20 @@
+# https://nixos.org/nixos/manual/index.html#sec-nixos-tests
+import <nixpkgs/nixos/tests/make-test.nix> {
+
+  # Configure a single machine as a PrivateStorage storage node.
+  machine =
+    { config, pkgs, ... }:
+    { imports =
+      [ ../private-storage.nix
+      ];
+      services.private-storage.enable = true;
+    };
+
+  # Test the machine with a Perl program (sobbing).
+  testScript =
+    ''
+      $machine->start;
+      $machine->waitForUnit("tahoe.storage.service");
+      $machine->succeed("tahoe -d /var/db/tahoe-lafs/storage status");
+    '';
+}