diff --git a/surf/src/main/amp/web/components/uploader-plus/js/dnd-upload-plus.js b/surf/src/main/amp/web/components/uploader-plus/js/dnd-upload-plus.js
index ada0c63..f80d86a 100644
--- a/surf/src/main/amp/web/components/uploader-plus/js/dnd-upload-plus.js
+++ b/surf/src/main/amp/web/components/uploader-plus/js/dnd-upload-plus.js
@@ -28,7 +28,7 @@
             show : function(config)
             {
                 Alfresco.logger.debug("show", arguments);
-                
+                this.typesLoaded = false;
                 SoftwareLoop.DNDUpload.superclass.show.call(this, config);
 
                 this.loadTypes(function () {