diff --git a/src/chrome/content/rules/Mbnet.pt.xml b/src/chrome/content/rules/Mbnet.pt.xml
new file mode 100644
index 000000000000..287c5eed0cfe
--- /dev/null
+++ b/src/chrome/content/rules/Mbnet.pt.xml
@@ -0,0 +1,5 @@
+<ruleset name="Mbnet.pt">
+	<target host="www.mbnet.pt" />
+
+	<rule from="^http:" to="https:" />
+</ruleset>