diff --git a/home/shell.nix b/home/shell.nix
index 34b0e86..29c34c6 100644
--- a/home/shell.nix
+++ b/home/shell.nix
@@ -31,6 +31,10 @@ in {
     source "${config.sops.secrets."nordicsemi/envvars".path}"
   '';
 
+  systemd.user.tmpfiles.rules = [
+    "f ${config.xdg.configHome}/mutable_env.sh 0700 ${config.home.username} - - -"
+  ];
+
   local.shell.aliases = {
 
     # ░█▀▄░█▀▀░█▀█░█░░░█▀█░█▀▀░█▀▀░█▄█░█▀▀░█▀█░▀█▀░█▀▀