diff --git a/nixos-configurations/default.nix b/nixos-configurations/default.nix
index 0dbaffa..d5227a7 100644
--- a/nixos-configurations/default.nix
+++ b/nixos-configurations/default.nix
@@ -6,37 +6,7 @@
     modules = [
       genodepkgs.nixosModules.x86_64
       genodepkgs.nixosModules.nova
-
-      ({ config, lib, pkgs, ... }: {
-        genode.boot.storeBackend = "usb";
-        genode.gui.consoleLog.enable = true;
-        networking.interfaces.eth0.genode.driver = "ipxe";
-        services.tor = {
-          enable = true;
-          client.enable = false;
-          extraConfig = ''
-            Log [general,net,config,fs]debug stdout
-          ''; # MaxMemInQueues 64 MBytes
-          relay = {
-            enable = true;
-            contactInfo = "genodepkgs-junk@spam.works";
-            port = 80;
-            role = "relay";
-            bridgeTransports = [ ];
-          };
-        };
-        systemd.services.tor.genode = {
-          enable = true;
-          interface = "eth0";
-          ramQuota = 1024;
-          extraVfs = pkgs.writeText "tor.vfs.dhall" ''
-            let VFS = (env:DHALL_GENODE).VFS
-
-            in  [ VFS.dir "var" [ VFS.dir "lib" [ VFS.leaf "ram" ] ] ]
-          '';
-        };
-      })
-
+      ./tor-relay.nix
     ];
   };
 }
diff --git a/nixos-configurations/tor-relay.nix b/nixos-configurations/tor-relay.nix
new file mode 100644
index 0000000..eea67c2
--- /dev/null
+++ b/nixos-configurations/tor-relay.nix
@@ -0,0 +1,29 @@
+{ config, lib, pkgs, ... }: {
+  genode.boot.storeBackend = "usb";
+  genode.gui.consoleLog.enable = true;
+  networking.interfaces.eth0.genode.driver = "ipxe";
+  services.tor = {
+    enable = true;
+    client.enable = false;
+    extraConfig = ''
+      Log [general,net,config,fs]debug stdout
+    ''; # MaxMemInQueues 64 MBytes
+    relay = {
+      enable = true;
+      contactInfo = "genodepkgs-junk@spam.works";
+      port = 80;
+      role = "relay";
+      bridgeTransports = [ ];
+    };
+  };
+  systemd.services.tor.genode = {
+    enable = true;
+    interface = "eth0";
+    ramQuota = 1024;
+    extraVfs = pkgs.writeText "tor.vfs.dhall" ''
+      let VFS = (env:DHALL_GENODE).VFS
+
+      in  [ VFS.dir "var" [ VFS.dir "lib" [ VFS.leaf "ram" ] ] ]
+    '';
+  };
+}
diff --git a/tests/tor.nix b/tests/tor.nix
new file mode 100644
index 0000000..3128ba3
--- /dev/null
+++ b/tests/tor.nix
@@ -0,0 +1,34 @@
+{
+  name = "tor";
+  machine = { config, pkgs, ... }: {
+    imports = [ ../nixos-modules/hardware.nix ../nixos-modules/systemd.nix ];
+    hardware.usb.genode.enable = true;
+    services.tor = {
+      enable = true;
+      client.enable = false;
+      extraConfig = ''
+        Log [general,net,config,fs]debug stdout
+        MaxMemInQueues 64 MBytes
+      '';
+      relay = {
+        enable = true;
+        contactInfo = "genodepkgs-junk@spam.works";
+        port = 80;
+        role = "relay";
+        bridgeTransports = [ ];
+      };
+    };
+    systemd.services.tor.genode = {
+      enable = true;
+      interface = "eth1";
+      ramQuota = 96;
+      extraVfs = pkgs.writeText "tor.vfs.dhall" ''
+        let Genode = env:DHALL_GENODE
+
+        let VFS = Genode.VFS
+
+        in  [ VFS.dir "var" [ VFS.dir "lib" [ VFS.leaf "ram" ] ] ]
+      '';
+    };
+  };
+}