diff --git a/machines/gustave/default.nix b/machines/gustave/default.nix
index dc36d99..ea66625 100644
--- a/machines/gustave/default.nix
+++ b/machines/gustave/default.nix
@@ -36,7 +36,12 @@
 
   environment.persistence."/persistent" = {
     hideMounts = true;
+    directories = [
+      "var/lib"
+      "var/log"
+    ];
     files = [
+      "/etc/machine-id"
       "/etc/ssh/ssh_host_ed25519_key"
       "/etc/ssh/ssh_host_ed25519_key.pub"
     ];