--- a/modules/libpref/src/init/all.js
+++ b/modules/libpref/src/init/all.js
@@ -725,16 +725,17 @@ pref("network.IDN.whitelist.ch", true);
 pref("network.IDN.whitelist.cl", true);
 pref("network.IDN.whitelist.cn", true);
 pref("network.IDN.whitelist.de", true);
 pref("network.IDN.whitelist.dk", true);
 pref("network.IDN.whitelist.es", true);
 pref("network.IDN.whitelist.fi", true);
 pref("network.IDN.whitelist.gr", true);
 pref("network.IDN.whitelist.hu", true);
+pref("network.IDN.whitelist.il", true);
 pref("network.IDN.whitelist.io", true);
 pref("network.IDN.whitelist.ir", true);
 pref("network.IDN.whitelist.is", true);
 pref("network.IDN.whitelist.jp", true);
 pref("network.IDN.whitelist.kr", true);
 pref("network.IDN.whitelist.li", true);
 pref("network.IDN.whitelist.lt", true);
 pref("network.IDN.whitelist.lu", true);