diff --git a/modules/system/impermanence.nix b/modules/system/impermanence.nix
index de7eae4..bbc6d8a 100644
--- a/modules/system/impermanence.nix
+++ b/modules/system/impermanence.nix
@@ -29,7 +29,8 @@ in
         "/var/lib/nixos"
         "/var/lib/systemd"
         "/var/log"
-      ];
+      ]
+      ++ config.custom.persist.directories;
       files = [
         "/etc/machine-id"
         "/etc/ssh/ssh_host_ed25519_key"