diff --git a/src/js/content.js b/src/js/content.js
index af5e74b..1e355fd 100644
--- a/src/js/content.js
+++ b/src/js/content.js
@@ -1,12 +1,12 @@
 'use strict';
 
 if (!!window.chrome && navigator.vendor.includes("Google")) {
-  // Get document head
   const head = document.head || document.getElementsByTagName('head')[0];
+  const runtime = browser.runtime || chrome.runtime;
   
   // Create logic script
   const script = document.createElement("script");
-  script.setAttribute("src", chrome.runtime.getURL("js/modules/script.js"));
+  script.setAttribute("src", runtime.getURL("js/modules/script.js"));
   script.setAttribute("type", "module");
 
   // Inject logic script