diff --git a/hosts/common/optional/persistence.nix b/hosts/common/optional/persistence.nix
index 1f2f8c4..260686a 100644
--- a/hosts/common/optional/persistence.nix
+++ b/hosts/common/optional/persistence.nix
@@ -12,6 +12,7 @@
     files = [
       "/etc/ssh/ssh_host_ed25519_key"
       "/etc/ssh/ssh_host_ed25519_key.pub"
+      "/etc/machine-id"
     ];
   };
 }