diff --git a/setup_server.py b/setup_server.py
index d006b85..e53dcd7 100644
--- a/setup_server.py
+++ b/setup_server.py
@@ -253,7 +253,7 @@ def create_admin_user(data):
     salt = _os.urandom(16).hex()
     pw_hash = f"{salt}:{hashlib.sha256((salt + password + 'argos-2026').encode()).hexdigest()}"
 
-    users_file = DATA_DIR / "argos_users.json"
+    users_file = CONFIG_DIR / "argos_users.json"
     DATA_DIR.mkdir(parents=True, exist_ok=True)
 
     # Leggi utenti esistenti o crea struttura vuota