diff --git a/data/data.json b/data/data.json
index bc4b8b4..04e81b0 100644
--- a/data/data.json
+++ b/data/data.json
@@ -14,7 +14,8 @@
                 "url=[^&]*(\\?|&(amp;)?)?",
                 "spIA=[^&]*(\\?|&(amp;)?)?",
                 "rh=[^&]*(\\?|&(amp;)?)?",
-                "ms3_c=[^&]*(\\?|&(amp;)?)?"
+                "ms3_c=[^&]*(\\?|&(amp;)?)?",
+                "ref[\\_]?=[^&]*(\\?|&(amp;)?)?"
             ],
             "exceptions": [
                 ".*(amazon\\.)\\w{2,}(\/gp\/).*\\/redirector.html\\/.*"