diff --git a/api-customer/src/controllers/AuthController.py b/api-customer/src/controllers/AuthController.py
index ebf14096..8bdb7be3 100644
--- a/api-customer/src/controllers/AuthController.py
+++ b/api-customer/src/controllers/AuthController.py
@@ -12,7 +12,7 @@ class AuthController:
     def __init__(self, app, auth_data, host):
         self._register_routes(app)
         self.config = Configuration(host=host)
-        self.auth_data = auth_data
+        self._auth_data = auth_data
         self.config.verify_ssl = False
 
     def _register_routes(self, app):