From eb77e289bbe056b58051db0fa868e95da803aa0a Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Mon, 25 Mar 2019 17:47:16 +0100
Subject: Only write the newtab URL if the machinery for it had previously been
 initialized.

This prevents the URL being overwritten with e.g. about:logopage.
---
 application/palemoon/components/preferences/preferences.xul | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'application/palemoon/components')

diff --git a/application/palemoon/components/preferences/preferences.xul b/application/palemoon/components/preferences/preferences.xul
index a1d9c8cf7..2b7fd9ded 100644
--- a/application/palemoon/components/preferences/preferences.xul
+++ b/application/palemoon/components/preferences/preferences.xul
@@ -56,7 +56,7 @@
 #endif
 #endif
             onunload="if (typeof gSecurityPane != 'undefined') gSecurityPane.syncAddonSecurityLevel();"
-            ondialogaccept="gNewtabUrl.writeNewtabUrl();">
+            ondialogaccept="if (typeof gTabsPane != 'undefined') gNewtabUrl.writeNewtabUrl();">
 
     <script type="application/javascript" src="chrome://browser/content/utilityOverlay.js"/>
     <script type="application/javascript" src="chrome://browser/content/preferences/newtaburl.js"/>
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