diff --git a/src/main/java/org/gcube/portal/event/publisher/lr62/PortalEvent.java b/src/main/java/org/gcube/portal/event/publisher/lr62/PortalEvent.java
index fa14482..eb3f8e7 100644
--- a/src/main/java/org/gcube/portal/event/publisher/lr62/PortalEvent.java
+++ b/src/main/java/org/gcube/portal/event/publisher/lr62/PortalEvent.java
@@ -1,20 +1,16 @@
 package org.gcube.portal.event.publisher.lr62;
 
-import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.util.Map;
 
 import org.gcube.event.publisher.Event;
 import org.gcube.vomanagement.usermanagement.UserManager;
 import org.gcube.vomanagement.usermanagement.exception.UserManagementSystemException;
 import org.gcube.vomanagement.usermanagement.exception.UserRetrievalFault;
-import org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager;
 import org.gcube.vomanagement.usermanagement.impl.LiferayUserManager;
 
 import com.liferay.portal.kernel.log.Log;
 import com.liferay.portal.kernel.log.LogFactoryUtil;
 import com.liferay.portal.model.User;
-import com.liferay.portal.util.PortalUtil;
 
 public class PortalEvent extends Event {
 
@@ -24,37 +20,18 @@ public class PortalEvent extends Event {
 
     protected static final UserManager USER_MANAGER = new LiferayUserManager();
 
-    private static String rootVOName;
-
     public static final String TYPE = "portal";
     public static final String USER_ENTRY = "user";
     public static final String GROUP_ENTRY = "group";
     public static final String ROLE_ENTRY = "role";
 
-    static {
-        try {
-            rootVOName = new LiferayGroupManager().getRootVOName();
-        } catch (Exception e) {
-            log.warn("Cannot get root VO name, using hostname");
-            try {
-                rootVOName = InetAddress.getLocalHost().getHostName();
-            } catch (UnknownHostException e1) {
-                log.error("Cannot get localhost name", e);
-                rootVOName = PortalUtil.getComputerName();
-            }
-        }
-    }
 
     public PortalEvent(String name) {
         this(name, null);
     }
 
     public PortalEvent(String name, Map<String, String> data) {
-        super(name, TYPE, getRootVOName(), data);
-    }
-
-    protected static String getRootVOName() {
-        return rootVOName;
+        super(name, TYPE, EventPublisherConfiguration.getConfiguration().getRootVOName(), data);
     }
 
     public void setUser(User user) throws UserManagementSystemException, UserRetrievalFault {