diff --git a/vendor/assets/javascripts/prototype_ujs.js b/vendor/assets/javascripts/prototype_ujs.js
index 2cd1220..9f4ddae 100644
--- a/vendor/assets/javascripts/prototype_ujs.js
+++ b/vendor/assets/javascripts/prototype_ujs.js
@@ -130,6 +130,19 @@
 
   function disableFormElements(form) {
     form.select('input[type=submit][data-disable-with]').each(function(input) {
+      if (input.name == form.retrieve('rails:submit-button')) {
+        if (window.hiddenCommit) {
+          window.hiddenCommit.setAttribute('name', input.name);
+          window.hiddenCommit.setAttribute('value', input.value);
+        } else {
+          hiddenCommit = document.createElement('input');
+          hiddenCommit.type = 'hidden';
+          hiddenCommit.value = input.value;
+          hiddenCommit.name = input.name;
+          form.appendChild(hiddenCommit);
+        }
+      }
+
       input.store('rails:original-value', input.getValue());
       input.setValue(input.readAttribute('data-disable-with')).disable();
     });