diff --git a/testtools/testresult/real.py b/testtools/testresult/real.py
index d5efad23..9396ef16 100644
--- a/testtools/testresult/real.py
+++ b/testtools/testresult/real.py
@@ -23,7 +23,7 @@
     ]
 
 import datetime
-import email
+import email.message
 import math
 from operator import methodcaller
 import sys