diff --git a/src/common/contentScriptsUtils.js b/src/common/contentScriptsUtils.js
index 00bc556..cb7a67d 100644
--- a/src/common/contentScriptsUtils.js
+++ b/src/common/contentScriptsUtils.js
@@ -13,5 +13,5 @@
 export function injectScript(scriptName) {
   var script = document.createElement('script');
   script.src = scriptName;
-  document.head.appendChild(script);
+  (document.head || document.documentElement).append(script);
 }