diff --git a/ChangeLog b/ChangeLog
index 10ef1450..7cdc1a54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2026-09-09  Mats Lidell  <matsl@gnu.org>
+
+* man/.dir-locals.el: Set before-save-hook to a list.
+
 2026-08-30  Bob Weiner  <rsw@gnu.org>
 
 * test/hywiki-tests.el (hywiki-tests--preserve-hywiki-mode): Call
diff --git a/man/.dir-locals.el b/man/.dir-locals.el
index 4ef27bb0..33d12bd5 100644
--- a/man/.dir-locals.el
+++ b/man/.dir-locals.el
@@ -1,6 +1,6 @@
 ((texinfo-mode
   . ((before-save-hook
-      . (lambda ()
+      . ((lambda ()
           (let ((our-set-env
                  (lambda () (let ((day (string-trim (format-time-string "%e" (current-time))))
                                   (month (capitalize (format-time-string "%B" (current-time))))
@@ -21,4 +21,4 @@
             (if (fboundp 'with-locale-environment)
                 (with-locale-environment "en_US.utf8"
                   (funcall our-set-env))
-              (funcall our-set-env))))))))
+              (funcall our-set-env)))))))))