diff --git a/js/testing/test-put-async.html b/js/testing/test-put-async.html
index 448d8bf..315dec8 100644
--- a/js/testing/test-put-async.html
+++ b/js/testing/test-put-async.html
@@ -59,7 +59,7 @@
 		function run() {
 			var contentName = document.getElementById('contentname').value;		
 			
-			var result = ndn.registerPrefix(contentName, new AsyncPutClosure());
+			var result = ndn.registerPrefix(new Name(contentName), new AsyncPutClosure());
 			
 			document.getElementById('result').innerHTML = 'Content name \'' + contentName 
 					+'\' published. Result: ' + result;