--- a/browser/components/extensions/ext-commands.js
+++ b/browser/components/extensions/ext-commands.js
@@ -72,17 +72,17 @@ CommandList.prototype = {
   loadCommandsFromManifest(manifest) {
     let commands = new Map();
     // For Windows, chrome.runtime expects 'win' while chrome.commands
     // expects 'windows'.  We can special case this for now.
     let os = PlatformInfo.os == "win" ? "windows" : PlatformInfo.os;
     for (let [name, command] of Object.entries(manifest.commands)) {
       let suggested_key = command.suggested_key || {};
       let shortcut = suggested_key[os] || suggested_key.default;
-      shortcut = shortcut ? shortcut.replace(/\s+/g, "") : null,
+      shortcut = shortcut ? shortcut.replace(/\s+/g, "") : null;
       commands.set(name, {
         description: command.description,
         shortcut,
       });
     }
     return commands;
   },