diff --git a/js/options.js b/js/options.js
index 99e878c..dc09b8a 100644
--- a/js/options.js
+++ b/js/options.js
@@ -4,6 +4,12 @@
 let defaultOptions;
 let options;
 
+function toI18n(str) {
+    return str.replace(/__MSG_(\w+)__/g, function (match, v1) {
+        return v1 ? chrome.i18n.getMessage(v1) : '';
+    });
+}
+
 // Load options from storage
 const load = function () {
     return new Promise(function (resolve) {
@@ -96,7 +102,7 @@ const update_context_menu = function (enabled) {
     } else {
         chrome.contextMenus.remove('ViewImage-SearchByImage');
     }
-}
+};
 
 // On change, save
 document.addEventListener('change', event => {