diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index a56f9ff1536..af7904fe14c 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-12  Kenichi Handa  <handa@m17n.org>
+
+	* uudecode.el (uudecode-decode-region-internal): Make it work in a
+	multibyte buffer.
+
 2007-01-07  Reiner Steib  <Reiner.Steib@gmx.de>
 
 	* gnus-soup.el: Add missing :group in previous change.
diff --git a/lisp/gnus/uudecode.el b/lisp/gnus/uudecode.el
index 616348e899f..6586f715f9c 100644
--- a/lisp/gnus/uudecode.el
+++ b/lisp/gnus/uudecode.el
@@ -205,7 +205,10 @@ If FILE-NAME is non-nil, save the result to FILE-NAME."
 		(insert (apply 'concat (nreverse result)))))
 	  (or (markerp end) (setq end (set-marker (make-marker) end)))
 	  (goto-char start)
-	  (insert (apply 'concat (nreverse result)))
+	  (if enable-multibyte-characters
+	      (mapc #'(lambda (x) (insert (string-to-multibyte x)))
+		    (nreverse result))
+	    (insert (apply 'concat (nreverse result))))
 	  (delete-region (point) end))))))
 
 ;;;###autoload