diff --git a/src/main/java/org/gcube/portlets/user/dataminermanager/server/storage/StorageUtil.java b/src/main/java/org/gcube/portlets/user/dataminermanager/server/storage/StorageUtil.java
index d2c02d8..0d104cb 100644
--- a/src/main/java/org/gcube/portlets/user/dataminermanager/server/storage/StorageUtil.java
+++ b/src/main/java/org/gcube/portlets/user/dataminermanager/server/storage/StorageUtil.java
@@ -210,7 +210,7 @@ public class StorageUtil {
 	 */
 	public void deleteItem(String user, String itemId) throws ServiceException {
 		try {
-			logger.debug("User: " + user + ", ItemId:" + itemId);
+			logger.debug("Delete Item: [User=" + user + ", ItemId=" + itemId+"]");
 			StorageHubClient shc = new StorageHubClient();
 			OpenResolver openResolver = shc.open(itemId);