diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js
index 0dc4f0f9345059c5b3df28aa2e8b581c96c12092..5a680dd5ad18946de3ef72dbd0358aac80a73f35 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js
@@ -133,7 +133,7 @@ var Uploader = new function () {
 
 
     function showUploadingError(id) {
-        Util.showError("Uploading of \'" + progress[id].file.name + "\' failed");
+        alert("Uploading of \'" + progress[id].file.name + "\' failed");
     }