diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java
index 04426d8..da12e30 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/server/CkanToZenodoPublisherServiceImpl.java
@@ -196,8 +196,15 @@ public class CkanToZenodoPublisherServiceImpl extends RemoteServiceServlet imple
 			//TODO I'M WAITING FOR itemName retrieved from ckan2zenodo library
 			zenodoItem.setName(item.getItemId());
 			
-			LOG.info("zenodoItem setting metadata null");
-			zenodoItem.setMetadata(null);
+			LOG.info("zenodoItem setting enum null");
+			
+			zenodoItem.getMetadata().setAccess_right(null);
+			zenodoItem.getMetadata().setContributors(null);
+			zenodoItem.getMetadata().setContributorsTypes(null);
+			zenodoItem.getMetadata().setImage_type(null);
+			zenodoItem.getMetadata().setUpload_type(null);
+			zenodoItem.getMetadata().setPublication_type(null);
+			zenodoItem.getMetadata().setLicenses(null);
 			
 			LOG.debug("Returning item: "+zenodoItem);
 			
diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java
index 5820b4c..0c84920 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/shared/wrapped/LicenseBean.java
@@ -11,7 +11,7 @@ import org.gcube.portlets.widgets.ckan2zenodopublisher.shared.ZenodoLicense;
  * 
  * Jan 13, 2020
  */
-public class LicenseBean implements Serializable, ZenodoLicense{
+public class LicenseBean implements ZenodoLicense, Serializable {
 
 	/**
 	 *