diff --git a/package.json b/package.json
index 9db05a5a7..9d101ceb6 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,10 @@
     "prepack": "npm run compile"
   },
   "browser": {
-    "./test/node.js": false
+    "./test/node.js": false,
+    "./build/esm/transports/xmlhttprequest.js": "./build/esm/transports/xmlhttprequest.browser.js",
+    "./build/esm/transports/websocket-constructor.js": "./build/esm/transports/websocket-constructor.browser.js",
+    "./build/esm/globalThis.js": "./build/esm/globalThis.browser.js"
   },
   "repository": {
     "type": "git",