diff --git a/i18n/zh_CN.json b/i18n/zh-CN.json
similarity index 100%
rename from i18n/zh_CN.json
rename to i18n/zh-CN.json
diff --git a/i18n/zh_TW.json b/i18n/zh-TW.json
similarity index 100%
rename from i18n/zh_TW.json
rename to i18n/zh-TW.json
diff --git a/webapp/i18n/i18n.jsx b/webapp/i18n/i18n.jsx
index 4eda911982..fd4e42a326 100644
--- a/webapp/i18n/i18n.jsx
+++ b/webapp/i18n/i18n.jsx
@@ -9,8 +9,8 @@ const ko = require('!!file-loader?name=i18n/[name].[hash].[ext]!./ko.json');
 const nl = require('!!file-loader?name=i18n/[name].[hash].[ext]!./nl.json');
 const pt_BR = require('!!file-loader?name=i18n/[name].[hash].[ext]!./pt-BR.json'); //eslint-disable-line camelcase
 const ru = require('!!file-loader?name=i18n/[name].[hash].[ext]!./ru.json');
-const zh_TW = require('!!file-loader?name=i18n/[name].[hash].[ext]!./zh_TW.json'); //eslint-disable-line camelcase
-const zh_CN = require('!!file-loader?name=i18n/[name].[hash].[ext]!./zh_CN.json'); //eslint-disable-line camelcase
+const zh_TW = require('!!file-loader?name=i18n/[name].[hash].[ext]!./zh-TW.json'); //eslint-disable-line camelcase
+const zh_CN = require('!!file-loader?name=i18n/[name].[hash].[ext]!./zh-CN.json'); //eslint-disable-line camelcase
 
 import {addLocaleData} from 'react-intl';
 import deLocaleData from 'react-intl/locale-data/de';
diff --git a/webapp/i18n/zh_CN.json b/webapp/i18n/zh-CN.json
similarity index 100%
rename from webapp/i18n/zh_CN.json
rename to webapp/i18n/zh-CN.json
diff --git a/webapp/i18n/zh_TW.json b/webapp/i18n/zh-TW.json
similarity index 100%
rename from webapp/i18n/zh_TW.json
rename to webapp/i18n/zh-TW.json