diff --git a/emacs/.emacs.d/init.org b/emacs/.emacs.d/init.org
index 974d025..aceec4b 100644
--- a/emacs/.emacs.d/init.org
+++ b/emacs/.emacs.d/init.org
@@ -452,7 +452,7 @@
         (message-narrow-to-headers-or-head)
         (when (string-match (rx (and "@" (or "aethon" "picturefix") ".nl>") eol)
                             (message-fetch-field "From"))
-          (ispell-change-dictionary "nl"))))
+          (ispell-change-dictionary "nl_NL"))))
 
     (add-hook 'message-setup-hook 'oni:switch-ispell-dictionary)
   #+END_SRC