diff --git a/src/scripts/contentscript.js b/src/scripts/contentscript.js
index c45ded7..84286ee 100644
--- a/src/scripts/contentscript.js
+++ b/src/scripts/contentscript.js
@@ -1,4 +1,11 @@
 import ext from "./utils/ext";
+import storage from "./utils/storage";
+
+browser.runtime.onInstalled.addListener( function(details) {
+	if ("install" === details.reason) {
+		storage.set({ url: ext.i18n.getMessage("defaultURL") });
+	}
+});
 
 var extractTags = () => {
   var url = document.location.href;