Index: branches/5.1.x/core/admin_templates/js/uploader/upload_manager.js
===================================================================
diff -u -N -r13658 -r13659
--- branches/5.1.x/core/admin_templates/js/uploader/upload_manager.js	(.../upload_manager.js)	(revision 13658)
+++ branches/5.1.x/core/admin_templates/js/uploader/upload_manager.js	(.../upload_manager.js)	(revision 13659)
@@ -238,6 +238,16 @@
 	)
 }
 
+UploadsManager.onUploadSuccess = function(file, serverData, receivedResponse) {
+	var $uploader = UploadsManager._getUploader(file);
+
+	$uploader.queueEvent(
+		function() {
+			this.UploadSuccess(file, serverData, receivedResponse);
+		}
+	);
+}
+
 UploadsManager.onUploadError = function(file, errorCode, message) {
 	var $uploader = UploadsManager._getUploader(file);