diff --git a/synapse_antispam/mjolnir/antispam.py b/synapse_antispam/mjolnir/antispam.py
index dc1e5a3..f0fdadf 100644
--- a/synapse_antispam/mjolnir/antispam.py
+++ b/synapse_antispam/mjolnir/antispam.py
@@ -115,7 +115,7 @@ class AntiSpam(object):
     def user_may_publish_room(self, user_id, room_id):
         return True  # allowed
 
-    def check_for_banned_user(self, user_id, display_name):
+    def check_username_for_spam(self, user_id, display_name):
         # Check whether the user ID or display name matches any of the banned
         # patterns.
         return self.is_user_banned(user_id) or self.is_user_banned(display_name)