diff --git a/settings/omegafox.cfg b/settings/omegafox.cfg
index 52defcf..8f7e120 100644
--- a/settings/omegafox.cfg
+++ b/settings/omegafox.cfg
@@ -680,4 +680,7 @@ defaultPref("network.http.referer.defaultPolicy", 0);
 // Disable JIT by default
 defaultPref("javascript.options.baselinejit", false);
 defaultPref("javascript.options.ion", false);
-defaultPref("javascript.options.warp", false);
\ No newline at end of file
+defaultPref("javascript.options.warp", false);
+
+// Disable Unicode domain names to prevent homograph attacks
+defaultPref("network.IDN_show_punycode", true);
\ No newline at end of file