diff --git a/yatex.el b/yatex.el
index 5fb6f56..0e26706 100644
--- a/yatex.el
+++ b/yatex.el
@@ -1,6 +1,6 @@
 ;;; yatex.el --- Yet Another tex-mode for emacs //�쒹// -*- coding: sjis -*-
 ;;; (c)1991-2018 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Tue Dec 25 20:03:02 2018 on firestorm
+;;; Last modified Wed Jan 16 08:00:17 2019 on firestorm
 ;;; $Id$
 ;;; The latest version of this software is always available at;
 ;;; https://www.yatex.org/
@@ -16,7 +16,7 @@
 
 ;;; Code:
 (require 'yatexlib)
-(defconst YaTeX-revision-number "1.81.1"
+(defconst YaTeX-revision-number "1.81.2"
   "Revision number of running yatex.el")
 
 ;---------- Local variables ----------
diff --git a/yatexadd.el b/yatexadd.el
index 844bcbc..55aa155 100644
--- a/yatexadd.el
+++ b/yatexadd.el
@@ -1,6 +1,6 @@
 ;;; yatexadd.el --- YaTeX add-in functions -*- coding: sjis -*-
 ;;; (c)1991-2018 by HIROSE Yuuji.[yuuji@yatex.org]
-;;; Last modified Wed Nov  7 09:01:08 2018 on firestorm
+;;; Last modified Wed Jan 16 08:23:13 2019 on firestorm
 ;;; $Id$
 
 ;;; Code:
@@ -1887,7 +1887,7 @@
   "*User defined documentclass alist")
 (defvar YaTeX:documentclasses-local nil
   "*User defined local documentclass alist")
-(defvar YaTeX-default-documentclass (if YaTeX-japan "jarticle" "article")
+(defvar YaTeX-default-documentclass (if YaTeX-japan "jsarticle" "article")
   "*Default documentclass")
 
 (defun YaTeX::documentclass (&optional argp)