diff --git a/mv/dummy_secrets/default.nix b/mv/dummy_secrets/default.nix
index 0967ef424..84a5e1186 100644
--- a/mv/dummy_secrets/default.nix
+++ b/mv/dummy_secrets/default.nix
@@ -1 +1,8 @@
-{}
+{ config, ... }:
+{
+  users.users.root = {
+    openssh.authorizedKeys.keys = [
+      config.krebs.users.mv.pubkey
+    ];
+  };
+}