diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index c2aee670357..889a5230d15 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-22  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+	* gnus-art.el (gnus-article-setup-buffer): Decode group name used for
+	article buffers' name.
+
 2011-11-22  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* shr.el (shr-table-horizontal-line): Revert infinite loops introduced
diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el
index dd41947a2af..0abc802f558 100644
--- a/lisp/gnus/gnus-art.el
+++ b/lisp/gnus/gnus-art.el
@@ -4497,7 +4497,9 @@ commands:
 (defun gnus-article-setup-buffer ()
   "Initialize the article buffer."
   (let* ((name (if gnus-single-article-buffer "*Article*"
-		 (concat "*Article " gnus-newsgroup-name "*")))
+		 (concat "*Article "
+			 (gnus-group-decoded-name gnus-newsgroup-name)
+			 "*")))
 	 (original
 	  (progn (string-match "\\*Article" name)
 		 (concat " *Original Article"