diff --git a/package.json b/package.json
index 39d9470..028bb18 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     }
   ],
   "main": "es5.js",
+  "browser": "es5.js",
   "module": "src/bowser.js",
   "types": "index.d.ts",
   "repository": {