diff --git a/source/Ox.UI/js/Core/Keyboard.js b/source/Ox.UI/js/Core/Keyboard.js
index 38a018d6..9bbd4d33 100644
--- a/source/Ox.UI/js/Core/Keyboard.js
+++ b/source/Ox.UI/js/Core/Keyboard.js
@@ -77,6 +77,11 @@ Ox.Keyboard = (function() {
             buffer = '';
         }, 1000);
 
+        //Firefox will cancel active XMLHttpRequests otherwise
+        if (keyName == 'escape') {
+            event.preventDefault();
+        }
+
         return ret;
 
     }