--- a/modules/libpref/src/init/all.js
+++ b/modules/libpref/src/init/all.js
@@ -759,16 +759,18 @@ pref("network.IDN.whitelist.xn--fiqz9s",
 pref("network.IDN.whitelist.xn--fiqs8s", true); // Simplified
 // hk, Hong Kong, .<Hong Kong>
 pref("network.IDN.whitelist.xn--j6w193g", true);
 // ir, Iran, <.Iran> with variants
 pref("network.IDN.whitelist.xn--mgba3a4f16a", true);
 pref("network.IDN.whitelist.xn--mgba3a4fra", true);
 // jo, Jordan, .<Al-Ordon>
 pref("network.IDN.whitelist.xn--mgbayh7gpa", true);
+// qa, Qatar, .<Qatar>
+pref("network.IDN.whitelist.xn--wgbl6a", true);
 // ru, Russian Federation, .<RF>
 pref("network.IDN.whitelist.xn--p1ai", true);
 // sa, Saudi Arabia, .<al-Saudiah> with variants
 pref("network.IDN.whitelist.xn--mgberp4a5d4ar", true); 
 pref("network.IDN.whitelist.xn--mgberp4a5d4a87g", true);
 pref("network.IDN.whitelist.xn--mgbqly7c0a67fbc", true);
 pref("network.IDN.whitelist.xn--mgbqly7cvafr", true);
 // tw, Taiwan, <.Taiwan> with variants