diff --git a/src/ui/static/resources/js/services/i18n/locale_messages_en-US.js b/src/ui/static/resources/js/services/i18n/locale_messages_en-US.js
index f3704b629..de5a02338 100644
--- a/src/ui/static/resources/js/services/i18n/locale_messages_en-US.js
+++ b/src/ui/static/resources/js/services/i18n/locale_messages_en-US.js
@@ -269,6 +269,7 @@ var locale_messages = {
   'failed_to_update_destination': 'Failed to update destination.',
   'failed_to_toggle_publicity_insuffient_permissions': 'Failed to change project publicity: insuffient permissions.',
   'failed_to_toggle_publicity': 'Failed to change project publicity.',
+  'failed_to_sign_in': 'Failed to sign in.',
   'project_does_not_exist': 'Project does not exist.',
   'project_admin': 'Project Admin',
   'developer': 'Developer',
diff --git a/src/ui/static/resources/js/services/i18n/locale_messages_zh-CN.js b/src/ui/static/resources/js/services/i18n/locale_messages_zh-CN.js
index acff0c908..451351edf 100644
--- a/src/ui/static/resources/js/services/i18n/locale_messages_zh-CN.js
+++ b/src/ui/static/resources/js/services/i18n/locale_messages_zh-CN.js
@@ -269,6 +269,7 @@ var locale_messages = {
   'failed_to_update_destination': '修改目标失败。',
   'failed_to_toggle_publicity_insuffient_permissions': '设置项目公开性失败:权限不足。',
   'failed_to_toggle_publicity': '设置项目公开性失败。',
+  'failed_to_sign_in': '登录失败。',
   'project_does_not_exist': '项目不存在。',
   'project_admin': '项目管理员',
   'developer': '开发人员',