diff --git a/.tx/config b/.tx/config
index fa599fb0b8..4feb7293a3 100644
--- a/.tx/config
+++ b/.tx/config
@@ -6,4 +6,5 @@ source_file = locale/en/LC_MESSAGES/django.po
 source_lang = en
 type = PO
 file_filter = locale/<lang>/LC_MESSAGES/django.po
+lang_map = zh-Hans: zh_CN
 
diff --git a/locale/zh-Hans/LC_MESSAGES/django.po b/locale/zh_CN/LC_MESSAGES/django.po
similarity index 99%
rename from locale/zh-Hans/LC_MESSAGES/django.po
rename to locale/zh_CN/LC_MESSAGES/django.po
index 9e763971ff..78799832e6 100644
--- a/locale/zh-Hans/LC_MESSAGES/django.po
+++ b/locale/zh_CN/LC_MESSAGES/django.po
@@ -10,7 +10,7 @@ msgstr ""
 "Project-Id-Version: Zulip\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2015-12-05 19:14-0500\n"
-"PO-Revision-Date: 2016-05-07 13:12+0000\n"
+"PO-Revision-Date: 2016-05-19 02:29+0000\n"
 "Last-Translator: 张建春 <zhang.jianchun1@gmail.com>\n"
 "Language-Team: Chinese Simplified (http://www.transifex.com/zulip/zulip/language/zh-Hans/)\n"
 "MIME-Version: 1.0\n"