diff --git a/jquery.uploadProgress.js b/jquery.uploadProgress.js
index 42f5c0b..ba3fb7b 100644
--- a/jquery.uploadProgress.js
+++ b/jquery.uploadProgress.js
@@ -88,6 +88,7 @@
 jQuery.uploadProgress = function(e, options) {
   jQuery.ajax({
     type: "GET",
+    async: false,
     url: options.progressUrl + "?X-Progress-ID=" + options.uuid,
     dataType: options.dataType,
     success: function(upload) {