diff --git a/postorius_ldap_membership_management/management/commands/syncldapmemberships.py b/postorius_ldap_membership_management/management/commands/syncldapmemberships.py
index 9f7e672b1f2b76bd13ce98aa8b385a4ad8a370b4..82f58f4473bce13ca0f24501b466bdbe532fc9e1 100644
--- a/postorius_ldap_membership_management/management/commands/syncldapmemberships.py
+++ b/postorius_ldap_membership_management/management/commands/syncldapmemberships.py
@@ -19,7 +19,7 @@ def execute_ldap_search_without_hiding_errors(search, connection, filterargs=(),
 	an empty list of results. This behavor is indistinguishable from a query
 	with no results.'''
 	if not isinstance(search, LDAPSearch):
-		raise NotImplementedError(f'{type(search)} is not supported by django_auth_ldap_remoteuser')
+		raise NotImplementedError(f'{type(search)} is not supported by postorius_ldap_membership_management')
 	# This is a copy of django_auth_ldap.config.LDAPSearch.execute without the
 	# ldap.LDAPError eating try-except block
 	if escape:
@@ -43,7 +43,7 @@ class Command(BaseCommand):
 
 		client = get_mailman_client()
 
-		django_users = get_user_model().objects.all()
+		django_users = get_user_model().objects.filter(is_active=True)
 		backref_mapping = {'member': 'members', 'moderator': 'moderators', 'owner': 'owners'}
 		mm_users = {}