diff --git a/js/popup.js b/js/popup.js
index dbb48ff..ce15d59 100644
--- a/js/popup.js
+++ b/js/popup.js
@@ -1,4 +1,4 @@
 // On options button click
-document.getElementById('options-page').addEventListener('click', event => {
+document.getElementById('options-page').addEventListener('click', function() {
     chrome.runtime.openOptionsPage();
 });