diff --git a/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/form/generic/CreateMetadataForm.java b/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/form/generic/CreateMetadataForm.java
index 0a7ff7b..9e7335e 100644
--- a/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/form/generic/CreateMetadataForm.java
+++ b/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/form/generic/CreateMetadataForm.java
@@ -429,7 +429,7 @@ public class CreateMetadataForm extends Composite implements HasGenericFormListe
 	 * @param listFileUploaded the file uploaded
 	 */
 	private void prepareMetadataList(final List<MetaDataProfileBean> profiles,
-			List<? extends FileUploaded> listFileUploaded) {
+			final List<? extends FileUploaded> listFileUploaded) {
 
 		if (profiles != null && !profiles.isEmpty()) {
 			GWT.log("Building form/s for profile/s: " + profiles);
diff --git a/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/ui/utils/LoaderIcon.java b/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/ui/utils/LoaderIcon.java
index 2a63e25..e80d823 100644
--- a/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/ui/utils/LoaderIcon.java
+++ b/src/main/java/org/gcube/portlets/widgets/mpformbuilder/client/ui/utils/LoaderIcon.java
@@ -41,6 +41,7 @@ public class LoaderIcon extends HorizontalPanel{
 		setStyleName("marginTop20");
 		add(txtLoading);
 		iconSpinner.setSpin(true);
+		iconSpinner.getElement().getStyle().setProperty("animation", "spin 1s infinite linear");
 		iconSpinner.getElement().getStyle().setMarginLeft(5, Unit.PX);
 		add(iconSpinner);
 	}