diff --git a/commands/options.js b/commands/options.js
index 884e48f..a58f05f 100644
--- a/commands/options.js
+++ b/commands/options.js
@@ -5,7 +5,7 @@ const commandName = 'toggle-feature';
  */
 async function updateUI() {
   let commands = await browser.commands.getAll();
-  for (command of commands) {
+  for (let command of commands) {
     if (command.name === commandName) {
       document.querySelector('#shortcut').value = command.shortcut;
     }