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 649cd10..0d23a71 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/http/StorageIDResolver.java
@@ -3,6 +3,8 @@ package org.gcube.datatransfer.resolver.http;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.Map;
 
 import javax.servlet.ServletConfig;
 import javax.servlet.ServletException;
@@ -16,6 +18,7 @@ import org.gcube.contentmanagement.blobstorage.service.IClient;
 import org.gcube.contentmanager.storageclient.model.protocol.smp.Handler;
 import org.gcube.contentmanager.storageclient.wrapper.AccessType;
 import org.gcube.contentmanager.storageclient.wrapper.StorageClient;
+import org.gcube.datatransfer.resolver.MultiReadHttpServletRequest;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -205,8 +208,13 @@ public class StorageIDResolver extends HttpServlet {
 	protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 		logger.info("doHead working..");
 
-		req.setAttribute(VALIDATION, "true");
-        doGet(req, resp);
+		//ADDING PARAMETER TO PERFORM ONLY VALIDATION
+		Map<String, String[]> additionalParams = new HashMap<String, String[]>();
+		String[] value = new String[1];
+		value[0] = "true";
+		additionalParams.put(VALIDATION, value);
+		MultiReadHttpServletRequest request = new MultiReadHttpServletRequest(req, additionalParams);
+        doGet(request, resp);
 	}
 
 	/**