diff --git a/lib/browser/api/menu.js b/lib/browser/api/menu.js
index a340f74abcf0..1cf1a1013403 100644
--- a/lib/browser/api/menu.js
+++ b/lib/browser/api/menu.js
@@ -63,10 +63,10 @@ Menu.prototype.popup = function (window, x, y, positioningItem) {
   }
 
   // set defaults
-  if (typeof x !== 'number') newX = -1
-  if (typeof y !== 'number') newY = -1
-  if (typeof positioningItem !== 'number') newPosition = -1
   if (!window) newWindow = BrowserWindow.getFocusedWindow()
+  if (typeof newX !== 'number') newX = -1
+  if (typeof newY !== 'number') newY = -1
+  if (typeof newPosition !== 'number') newPosition = -1
 
   this.popupAt(newWindow, newX, newY, newPosition)
 }