diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 95b48e94841..6e8b424cbf1 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2000-06-15  Kenichi Handa  <handa@etl.go.jp>
+
+	* international/mule.el (set-buffer-file-coding-system): Almost
+	rewritten to handle `undecided' as no-op.
+
 2000-06-14  Gerd Moellmann  <gerd@gnu.org>
 
 	* Makefile.in (VPATH): New file.