diff --git a/init/text/common.el b/init/text/common.el
index a1a0eef..401afd6 100644
--- a/init/text/common.el
+++ b/init/text/common.el
@@ -1,6 +1,6 @@
 ;;; common.el --- Common settings for text files. -*- lexical-binding: t; -*-
 
-;; Time-stamp: <2019-11-14T13:26:33+00:00>
+;; Time-stamp: <2019-12-18T23:44:03+00:00>
 
 ;;; Commentary:
 
@@ -76,6 +76,9 @@
       (interactive)
       (ispell-change-dictionary "german"))
 
+    ;; Allow setting the language in file/dir local variables.
+    (put 'ispell-dictionary 'safe-local-variable #'stringp)
+
     :bind
     ("<f9>" . my/toggle-flyspell)
     (:map flyspell-mode-map