diff --git a/lib/.eslintrc b/lib/.eslintrc
index 5e03e21c..fb4738fd 100644
--- a/lib/.eslintrc
+++ b/lib/.eslintrc
@@ -6,6 +6,9 @@
     "browser": true,
     "es6": true,
   },
+  "globals": {
+    "global": true
+  },
   "rules": {
     "comma-dangle": 0,
     "no-unused-vars": 1,
diff --git a/lib/rpc.js b/lib/rpc.js
index 7a0a1d8d..c92d287b 100644
--- a/lib/rpc.js
+++ b/lib/rpc.js
@@ -5,16 +5,16 @@ let constants = require('./constants');
 let DEVICE_HOST = 'localhost:8082';
 
 let {keys, objectTypes, propTypes} = constants;
+let XMLHttpRequest = global.originalXMLHttpRequest || global.XMLHttpRequest;
 let typeConverters = {};
-let XMLHttpRequest = window.XMLHttpRequest;
 let sessionId;
 
 // Check if XMLHttpRequest has been overridden, and get the native one if that's the case.
-if (XMLHttpRequest.__proto__ != window.XMLHttpRequestEventTarget) {
-    let override = XMLHttpRequest;
-    delete window.XMLHttpRequest;
-    XMLHttpRequest = window.XMLHttpRequest;
-    window.XMLHttpRequest = override;
+if (XMLHttpRequest.__proto__ != global.XMLHttpRequestEventTarget) {
+    let fakeXMLHttpRequest = XMLHttpRequest;
+    delete global.XMLHttpRequest;
+    XMLHttpRequest = global.XMLHttpRequest;
+    global.XMLHttpRequest = fakeXMLHttpRequest;
 }
 
 module.exports = {