diff --git a/user.js b/user.js
index c5cd657c..16d60c98 100644
--- a/user.js
+++ b/user.js
@@ -215,6 +215,8 @@ user_pref("browser.newtabpage.enhanced",		false);
 user_pref("browser.newtab.preload",		false);
 // https://wiki.mozilla.org/Tiles/Technical_Documentation#Ping
 user_pref("browser.newtabpage.directory.ping",		"");
+// https://gecko.readthedocs.org/en/latest/browser/browser/DirectoryLinksProvider.html#browser-newtabpage-directory-source
+user_pref("browser.newtabpage.directory.source",		"data:text/plain,{}");
 
 // disable heartbeat
 // https://wiki.mozilla.org/Advocacy/heartbeat