diff --git a/notmuch-config.el b/notmuch-config.el
index e72b8cf..55252a5 100644
--- a/notmuch-config.el
+++ b/notmuch-config.el
@@ -2,7 +2,8 @@
   '(mm-text-html-renderer 'w3m)
   '(send-mail-function 'sendmail-send-it)
   '(sendmail-program "sendmail")
-  '(message-kill-buffer-on-exit t))
+  '(message-kill-buffer-on-exit t)
+  '(notmuch-search-oldest-first nil))
 
 ; swap r and R
 (define-key notmuch-show-mode-map "r" 'notmuch-show-reply)