diff --git a/lib/config/browser-name.js b/lib/config/browser-name.js
index b28b2b8..7d882ff 100644
--- a/lib/config/browser-name.js
+++ b/lib/config/browser-name.js
@@ -5,4 +5,5 @@ export default {
   IE: 'IE',
   IOS: 'IOS',
   ETC: 'ETC',
+  MOBILE_SAFARI: 'MOBILE_SAFARI',
 };