diff --git a/lisp/gnus/.dir-locals.el b/lisp/gnus/.dir-locals.el
index 45abc391e62..fb968e13a36 100644
--- a/lisp/gnus/.dir-locals.el
+++ b/lisp/gnus/.dir-locals.el
@@ -1 +1,4 @@
 ((emacs-lisp-mode . ((show-trailing-whitespace . t))))
+;; Local Variables:
+;; no-byte-compile: t
+;; End:
diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index ee9700c2421..9d622af1937 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-14  Juanma Barranquero  <lekktu@gmail.com>
+
+	* .dir-locals.el: Add no-byte-compile cookie.
+
 2010-09-14  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* gnus-start.el (gnus-read-active-for-groups): Run gnus-activate-group