diff --git a/modules/nixos-modules/ssh.nix b/modules/nixos-modules/ssh.nix
index 17593aa..69bd185 100644
--- a/modules/nixos-modules/ssh.nix
+++ b/modules/nixos-modules/ssh.nix
@@ -19,8 +19,11 @@
     }
     (lib.mkIf config.host.impermanence.enable {
       environment.persistence."/persist/system/root" = {
-        directories = [
-          "/etc/ssh"
+        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"
         ];
       };
     })