diff --git a/letsencrypt/log.py b/letsencrypt/log.py
index a31bad8e3..e800d37c9 100644
--- a/letsencrypt/log.py
+++ b/letsencrypt/log.py
@@ -37,7 +37,7 @@ class DialogHandler(logging.Handler):  # pylint: disable=too-few-public-methods
         lines.
 
         """
-        for line in record.getMessage().splitlines():
+        for line in self.format(record).splitlines():
             # check for lines that would wrap
             cur_out = line
             while len(cur_out) > self.width: