diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1cf6800..e9047df2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## untagged
 
+- Use max username length in newemail.py, not min
+  ([#648](https://github.com/chatmail/relay/pull/648))
+
 - Increase maxproc for reinjecting ports from 10 to 100
   ([#646](https://github.com/chatmail/relay/pull/646))