diff --git a/lib/browser/api/browser-window.js b/lib/browser/api/browser-window.js
index 31eac937a6e3..ecfd9195f430 100644
--- a/lib/browser/api/browser-window.js
+++ b/lib/browser/api/browser-window.js
@@ -205,13 +205,16 @@ Object.assign(BrowserWindow.prototype, {
 
 // TouchBar API
 BrowserWindow.prototype.setTouchBar = function (touchBar) {
-  if (touchBar === null || typeof touchBar === 'undefined') {
+  if (touchBar == null) {
     this._destroyTouchBar()
-  } else if (Array.isArray(touchBar)) {
-    this._setTouchBar((new TouchBar(touchBar)).toJSON())
-  } else {
-    this._setTouchBar(touchBar.toJSON())
+    return
   }
+
+  if (Array.isArray(touchBar)) {
+    touchBar = new TouchBar(touchBar)
+  }
+
+  this._setTouchBar(touchBar.toJSON())
   touchBar._owner = this
   touchBar.items.forEach((item) => {
     item._owner = this