diff --git a/multiauthenticator/multiauthenticator.py b/multiauthenticator/multiauthenticator.py
index 721c5f8..4a1b0eb 100644
--- a/multiauthenticator/multiauthenticator.py
+++ b/multiauthenticator/multiauthenticator.py
@@ -112,7 +112,9 @@ def check_blocked_users(self, username, authentication=None):
 
             service_name = authenticator_configuration.pop("service_name", None)
 
-            authenticator = WrapperAuthenticator(**authenticator_configuration)
+            authenticator = WrapperAuthenticator(
+                parent=self, **authenticator_configuration
+            )
 
             if service_name is not None:
                 if PREFIX_SEPARATOR in service_name: