Save the asciinema machine key
diff --git a/modules/asciinema.nix b/modules/asciinema.nix
index 765027a..eff4c43 100644
--- a/modules/asciinema.nix
+++ b/modules/asciinema.nix
@@ -1,3 +1,6 @@
-{ pkgs, ... }: {
+{ pkgs, username, ... }: {
   home.home.packages = [ pkgs.asciinema ];
+  config.environment.persistence."/nix/persist".users.${username}.directories = [
+    ".config/asciinema"
+  ];
 }