From 95d6240b21c233f478f8f0ba41db65ffaef7c18b Mon Sep 17 00:00:00 2001
From: gorhill <rhill@raymondhill.net>
Date: Sun, 14 Feb 2016 10:55:23 -0500
Subject: [PATCH] this fixes #1378: there may be no "clicked URL" (regression)

---
 src/js/tab.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/js/tab.js b/src/js/tab.js
index 9885a3deb..ddd01eb19 100644
--- a/src/js/tab.js
+++ b/src/js/tab.js
@@ -561,6 +561,7 @@ vAPI.tabs.onPopupUpdated = (function() {
             // Check user switch first
             if (
                 popupType !== 'popunder' &&
+                clickedURL !== '' &&
                 areDifferentURLs(targetURL, clickedURL) &&
                 µb.hnSwitches.evaluateZ('no-popups', openerHostname)
             ) {