diff --git a/source/courier-to-mailman3.py b/source/courier-to-mailman3.py
index e87f3b7..11579bb 100644
--- a/source/courier-to-mailman3.py
+++ b/source/courier-to-mailman3.py
@@ -17,7 +17,7 @@ logger = logging.getLogger(__name__)
 logging.basicConfig(filename='/opt/mailman/logs/courier-to-mailman.log', level=logging.INFO)
 
 FORMAT = '%(asctime)s %(clientip)-15s %(user)-8s %(message)s'
-logger.Format(FORMAT)
+logger.Formater(FORMAT)
 
 logger.info('Starting Logging (outside try)')
 print('Starting Logging (outside try)')