diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1221c914..bce3485e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,8 @@
 
 ## untagged
 
-- BREAKING: new required chatmail.ini value 'delete_inactive_users_after = 25'
-  which removes users from database and mails after 25 days without any login. 
+- BREAKING: new required chatmail.ini value 'delete_inactive_users_after = 100'
+  which removes users from database and mails after 100 days without any login. 
   ([#350](https://github.com/deltachat/chatmail/pull/350))
 
 - remove checking of reverse-DNS PTR records.  Chatmail-servers don't
diff --git a/chatmaild/src/chatmaild/ini/chatmail.ini.f b/chatmaild/src/chatmaild/ini/chatmail.ini.f
index 9e62e1ca..181c68cc 100644
--- a/chatmaild/src/chatmaild/ini/chatmail.ini.f
+++ b/chatmaild/src/chatmaild/ini/chatmail.ini.f
@@ -21,7 +21,7 @@ max_mailbox_size = 100M
 delete_mails_after = 20
 
 # days after which users without a login are deleted (database and mails)
-delete_inactive_users_after = 25
+delete_inactive_users_after = 100
 
 # minimum length a username must have
 username_min_length = 9