diff --git a/config.el b/config.el
index 05d41fc..bed5d47 100644
--- a/config.el
+++ b/config.el
@@ -1230,6 +1230,11 @@ Otherwise: runs interactive ement-connect, then opens rooms after sync."
 ;;; ORG-NOTER — PDF annotations
 ;;; ============================================================
 
+;; Emacs 31 may not autoload dired-read-dir-and-switches early enough,
+;; causing "Symbol's function definition is void" when org-noter starts.
+;; Ensure dired is loaded so all its internal functions are available.
+(require 'dired)
+
 (use-package! org-noter
   :after (:any org pdf-view)
   :config