diff --git a/modules/languages.el b/modules/languages.el
index 12ee806..bc22357 100644
--- a/modules/languages.el
+++ b/modules/languages.el
@@ -61,6 +61,12 @@
   (use-package dockerfile-mode
     :defer t)
 
+  ;; --------------------------------------------------------------------------
+  ;; LaTeX.
+  ;; --------------------------------------------------------------------------
+
+  (add-hook 'latex-mode-hook 'auto-fill-mode)
+
   ;; --------------------------------------------------------------------------
   ;; Makefile settings.
   ;; --------------------------------------------------------------------------
diff --git a/modules/org.el b/modules/org.el
index 088d2c2..0a287fb 100644
--- a/modules/org.el
+++ b/modules/org.el
@@ -31,6 +31,8 @@
   "Initialise the `org' module."
 
   (use-package org
+    :hook
+    (org-mode . auto-fill-mode)
     :bind
     (("C-c a" . org-agenda)
      ("C-c b" . org-switchb)