diff --git a/nixos/modules/impermanence.nix b/nixos/modules/impermanence.nix
index 9fe8998..267c9d1 100644
--- a/nixos/modules/impermanence.nix
+++ b/nixos/modules/impermanence.nix
@@ -32,9 +32,14 @@ config = mkIf cfg.enable {
     persistentStoragePath = cfg.storagePath;
     directories = [
       "/var/log"
-      "/etc/ssh"
       "/var/lib/nixos"
     ];
+    files = [
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+      "/etc/ssh/ssh_host_rsa_key"
+      "/etc/ssh/ssh_host_rsa_key.pub"
+    ];
   };
   environment.etc.machine-id.source = "${cfg.storagePath}/machine-id";
 };