diff --git a/lib/browser/api/menu.js b/lib/browser/api/menu.js
index 10e14d1902..ef7d6796f6 100644
--- a/lib/browser/api/menu.js
+++ b/lib/browser/api/menu.js
@@ -133,7 +133,7 @@ Menu.sendActionToFirstResponder = bindings.sendActionToFirstResponder
 
 // set application menu with a preexisting menu
 Menu.setApplicationMenu = function (menu) {
-  if (!(!menu || menu.constructor === Menu)) {
+  if (menu && menu.constructor !== Menu)) {
     throw new TypeError('Invalid menu')
   }