diff --git a/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java b/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
index dfa3fe6..2613af7 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
@@ -26,13 +26,13 @@ import org.slf4j.LoggerFactory;
  */
 public class StorageIDResolver extends HttpServlet {
 	
+	private static final long serialVersionUID = -5208562956923156697L;
+	
 	protected static final String SMP_ID = "smp-id";
 	protected static final String VALIDATION = "validation";
 	protected static final String CONTENT_TYPE = "contentType";
 	protected static final String FILE_NAME = "fileName";
 
-	private static final long serialVersionUID = 1L;
-
 	/** The logger. */
 	private static final Logger logger = LoggerFactory.getLogger(StorageIDResolver.class);