diff --git a/tpftest/ajax2.html b/tpftest/ajax2.html
index eb561b6..9628c5e 100644
--- a/tpftest/ajax2.html
+++ b/tpftest/ajax2.html
@@ -7,7 +7,7 @@
 $(document).ready(function(){
     $("#go").click(function(){
         $.ajax({
-        headers: {Accept : " + fmt + "; charset=utf-8"},
+        headers: {Accept : fmt + "; charset=utf-8"},
         url: "http://openvivo.org/tpf/core",
         data: {subject: "http://openvivo.org/a/orcid0000-0002-1304-8447", predicate: "", object: "", page: "1"},
         success: function(data, status){