diff --git a/src/chrome/content/rules/Nhentai.net.xml b/src/chrome/content/rules/Nhentai.net.xml
new file mode 100644
index 000000000000..e2756aba9422
--- /dev/null
+++ b/src/chrome/content/rules/Nhentai.net.xml
@@ -0,0 +1,15 @@
+<!--
+	Invalid certificate:
+		blog.nhentai.net
+-->
+<ruleset name="Nhentai.net">
+	<target host="nhentai.net" />
+	<target host="i.nhentai.net" />
+		<test url="http://i.nhentai.net/galleries/1150818/4.jpg" />
+	<target host="static.nhentai.net" />
+		<test url="http://static.nhentai.net/robots.txt" />
+	<target host="t.nhentai.net" />
+		<test url="http://t.nhentai.net/galleries/1149886/4t.png" />
+
+	<rule from="^http:" to="https:" />
+</ruleset>