diff --git a/extensions/porn/hosts b/extensions/porn/hosts
index 03e34719c..1c3f3e191 100644
--- a/extensions/porn/hosts
+++ b/extensions/porn/hosts
@@ -72,6 +72,8 @@
 127.0.0.1 40best.com
 127.0.0.1 www.40best.com
 127.0.0.1 4affiliate.net
+127.0.0.1 4chan.org
+127.0.0.1 boards.4chan.org
 127.0.0.1 www.4affiliate.net
 127.0.0.1 4sexwebcams.com
 127.0.0.1 www.4sexwebcams.com