diff -up ./src/Composer/Factory.php.noxdg ./src/Composer/Factory.php
--- ./src/Composer/Factory.php.noxdg	2021-05-31 15:37:50.548115679 +0200
+++ ./src/Composer/Factory.php	2021-05-31 15:39:05.192882880 +0200
@@ -653,6 +653,10 @@ class Factory
      */
     private static function useXdg()
     {
+        // As XDG is very patially implemted
+        // resulting in command/code in ~/.config
+        return false;
+
         foreach (array_keys($_SERVER) as $key) {
             if (strpos($key, 'XDG_') === 0) {
                 return true;