diff --git a/cron.py b/cron.py
index 797c6cf1..a74f1f74 100644
--- a/cron.py
+++ b/cron.py
@@ -330,7 +330,7 @@ def check_custom_domain():
 
         if sorted(mx_domains) != sorted(EMAIL_SERVERS_WITH_PRIORITY):
             user = custom_domain.user
-            LOG.exception(
+            LOG.warning(
                 "The MX record is not correctly set for %s %s %s",
                 custom_domain,
                 user,