diff --git a/packages/oauth/oauth_browser.js b/packages/oauth/oauth_browser.js
index cb6525d865..d6c6526e3a 100644
--- a/packages/oauth/oauth_browser.js
+++ b/packages/oauth/oauth_browser.js
@@ -59,7 +59,7 @@ const openCenteredPopup = function(url, width, height) {
 
   const newwindow = window.open(url, 'Login', features);
 
-  if (typeof newwindow === 'undefined') {
+  if (newwindow || newwindow.closed) {
     // blocked by a popup blocker maybe?
     const err = new Error("The login popup was blocked by the browser");
     err.attemptedUrl = url;
@@ -70,4 +70,4 @@ const openCenteredPopup = function(url, width, height) {
     newwindow.focus();
   
   return newwindow;
-};
\ No newline at end of file
+};