diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/utils/MetadataUtility.java b/src/main/java/org/gcube/informationsystem/resourceregistry/utils/MetadataUtility.java
index f1a7453..f6c5103 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/utils/MetadataUtility.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/utils/MetadataUtility.java
@@ -10,6 +10,7 @@ import org.gcube.com.fasterxml.jackson.databind.JsonMappingException;
 import org.gcube.com.fasterxml.jackson.databind.JsonNode;
 import org.gcube.com.fasterxml.jackson.databind.node.ObjectNode;
 import org.gcube.common.authorization.utils.manager.SecretManagerProvider;
+import org.gcube.common.authorization.utils.user.User;
 import org.gcube.informationsystem.base.reference.Element;
 import org.gcube.informationsystem.base.reference.IdentifiableElement;
 import org.gcube.informationsystem.model.reference.properties.Metadata;
@@ -29,13 +30,14 @@ public class MetadataUtility {
 	private static final Logger logger = LoggerFactory.getLogger(MetadataUtility.class);
 	
 	public static String getUser() {
-		String user = Metadata.UNKNOWN_USER;
+		String username = Metadata.UNKNOWN_USER;
 		try {
-			user = SecretManagerProvider.instance.get().getUser().getUsername();
+			User user = SecretManagerProvider.instance.get().getUser();
+			username = user.getUsername();
 		} catch(Exception e) {
-			logger.error("Unable to retrieve user. {} will be used", user);
+			logger.error("Unable to retrieve user. {} will be used", username, e);
 		}
-		return user;
+		return username;
 	}
 	
 	public static Metadata createMetadata() {