diff --git a/yosai/core/authz/authz.py b/yosai/core/authz/authz.py
index b77ac17..1a7ad4d 100644
--- a/yosai/core/authz/authz.py
+++ b/yosai/core/authz/authz.py
@@ -425,7 +425,7 @@ def authc_clears_cache(self, identifier=None, topic=EVENT_TOPIC):
                 realm.clear_cached_authorization_info(identifier)
         except AttributeError:
             msg = ('Could not clear authc_info from cache after event. '
-                   'identifiers: ' + identifiers)
+                   'identifiers: ' + identifier)
             logger.warn(msg)
 
     def register_cache_clear_listener(self):