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 c5e5ef2..649cd10 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
@@ -198,6 +198,17 @@ public class StorageIDResolver extends HttpServlet {
 
 	}
 
+	/* (non-Javadoc)
+	 * @see javax.servlet.http.HttpServlet#doHead(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
+	 */
+	@Override
+	protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+		logger.info("doHead working..");
+
+		req.setAttribute(VALIDATION, "true");
+        doGet(req, resp);
+	}
+
 	/**
 	 * Send error quietly.
 	 *