diff --git a/airtime_mvc/locale/ja/LC_MESSAGES/airtime.mo b/airtime_mvc/locale/ja/LC_MESSAGES/airtime.mo
index ccafc3181..0ea7110a1 100644
Binary files a/airtime_mvc/locale/ja/LC_MESSAGES/airtime.mo and b/airtime_mvc/locale/ja/LC_MESSAGES/airtime.mo differ
diff --git a/airtime_mvc/locale/ja/LC_MESSAGES/airtime.po b/airtime_mvc/locale/ja/LC_MESSAGES/airtime.po
index aca11315d..82b61f27b 100644
--- a/airtime_mvc/locale/ja/LC_MESSAGES/airtime.po
+++ b/airtime_mvc/locale/ja/LC_MESSAGES/airtime.po
@@ -10,8 +10,8 @@ msgstr ""
 "Project-Id-Version: Airtime\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2013-12-13 12:58-0500\n"
-"PO-Revision-Date: 2014-08-25 02:34+0000\n"
-"Last-Translator: Kazuhiro Shimbo <kazuhiro.shimbo@mail.rakuten.com>\n"
+"PO-Revision-Date: 2014-08-27 01:20+0000\n"
+"Last-Translator: Akemi Makino <akemi.makino@mail.rakuten.com>\n"
 "Language-Team: Japanese (http://www.transifex.com/projects/p/airtime/language/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -38,7 +38,7 @@ msgstr ""
 
 #: airtime_mvc/application/layouts/scripts/layout.phtml:27
 msgid "Logout"
-msgstr ""
+msgstr "ログアウト"
 
 #: airtime_mvc/application/layouts/scripts/layout.phtml:42
 #: airtime_mvc/application/layouts/scripts/layout.phtml:68