diff --git a/modules/programs/virtualbox.nix b/modules/programs/virtualbox.nix
index 34b2c1566326..60f58c922b96 100644
--- a/modules/programs/virtualbox.nix
+++ b/modules/programs/virtualbox.nix
@@ -16,4 +16,20 @@ let virtualbox = config.boot.kernelPackages.virtualbox; in
       KERNEL=="vboxdrv",    OWNER="root", GROUP="vboxusers", MODE="0660"
       KERNEL=="vboxnetctl", OWNER="root", GROUP="root",      MODE="0600"
     '';
+
+  # Since we lack the right setuid binaries, set up a host-only network by default.
+  
+  jobs."create-vboxnet0" =
+    { task = true;
+      path = [ virtualbox ];
+      startOn = "starting network-interfaces";
+      script =
+        ''
+          if ! [ -e /sys/class/net/vboxnet0 ]; then
+            VBoxManage hostonlyif create
+          fi
+        '';
+    };
+
+  networking.interfaces = [ { name = "vboxnet0"; ipAddress = "192.168.56.1"; } ];
 }