diff --git a/lib/davis.listener.js b/lib/davis.listener.js
index a075bbc..72041e5 100644
--- a/lib/davis.listener.js
+++ b/lib/davis.listener.js
@@ -29,7 +29,14 @@ Davis.listener = function () {
     FORM: function (elem) {
       var a = document.createElement('a')
       a.href = elem.action
-      return this.A(a)
+
+      // a.host needs to be checked this convoluted way because of IE10, which sticks the port on
+      // the end of a.host as created above.
+      f = document.createElement("form")
+      f.action = window.location.href
+      a2 = document.createElement("a")
+      a2.href = f.action
+      return a.host !== a2.host || a.protocol !== a2.protocol
     }
   }