diff --git a/src/chrome/content/rules/Numergy.xml b/src/chrome/content/rules/Numergy.xml
new file mode 100644
index 000000000000..1fa6e56dc611
--- /dev/null
+++ b/src/chrome/content/rules/Numergy.xml
@@ -0,0 +1,12 @@
+<ruleset name="Numergy">
+    <target host="numergy.com" />
+    <target host="www.numergy.com" />
+    <target host="login.numergy.com" />
+
+    <securecookie host="^(.*\.)?numergy\.com$" name=".+" />-->
+
+    <rule from="^https?://numergy\.com/"
+        to="https://www.numergy.com/" />
+    <rule from="^http://([^/:@]+)?\.numergy\.com/"
+        to="https://$1.numergy.com/" />
+</ruleset>