diff --git a/src/main/java/org/gcube/portal/event/publisher/lr62/AbstractLR62EventPublisher.java b/src/main/java/org/gcube/portal/event/publisher/lr62/AbstractLR62EventPublisher.java
index 7b28a3d..f575283 100644
--- a/src/main/java/org/gcube/portal/event/publisher/lr62/AbstractLR62EventPublisher.java
+++ b/src/main/java/org/gcube/portal/event/publisher/lr62/AbstractLR62EventPublisher.java
@@ -3,7 +3,7 @@ package org.gcube.portal.event.publisher.lr62;
 import org.gcube.event.publisher.AbstractEventPublisher;
 import org.gcube.event.publisher.Event;
 import org.gcube.event.publisher.EventSender;
-import org.gcube.event.publisher.HTTPEventSender;
+import org.gcube.event.publisher.HTTPWithUMAAuthEventSender;
 import org.gcube.oidc.rest.OpenIdConnectConfiguration;
 import org.gcube.portal.oidc.lr62.LiferayOpenIdConnectConfiguration;
 
@@ -32,9 +32,10 @@ public abstract class AbstractLR62EventPublisher extends AbstractEventPublisher
             OpenIdConnectConfiguration openIdConnectConfiguration = LiferayOpenIdConnectConfiguration
                     .getConfiguration();
             EventPublisherConfiguration eventPublisherConfiguration = EventPublisherConfiguration.getConfiguration();
-            return new HTTPEventSender(eventPublisherConfiguration.getEventPublisherURL(),
+            return new HTTPWithUMAAuthEventSender(eventPublisherConfiguration.getEventPublisherURL(),
                     openIdConnectConfiguration.getPortalClientId(), openIdConnectConfiguration.getPortalClientSecret(),
-                    openIdConnectConfiguration.getTokenURL());
+                    openIdConnectConfiguration.getTokenURL(),
+                    EventPublisherConfiguration.getConfiguration().getEncodedRootVOContext());
         }
     }