diff --git a/src/content/index.js b/src/content/index.js
index 7c4bf57..5b586a7 100644
--- a/src/content/index.js
+++ b/src/content/index.js
@@ -1,5 +1,6 @@
 import React from "react";
 import ReactDOM from "react-dom";
+import browser from "webextension-polyfill";
 import TranslateContainer from "./components/TranslateContainer";
 
 let isEnabled = true;