diff --git a/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/config/ActionDefinitionDV.java b/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/config/ActionDefinitionDV.java
index 9669aa0..85f4343 100644
--- a/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/config/ActionDefinitionDV.java
+++ b/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/config/ActionDefinitionDV.java
@@ -2,6 +2,7 @@ package org.gcube.application.geoportalcommon.shared.geoportal.config;
 
 import java.io.Serializable;
 import java.util.Arrays;
+import java.util.HashSet;
 import java.util.Set;
 
 public class ActionDefinitionDV implements GeoportalConfigurationID, Serializable {
@@ -18,7 +19,7 @@ public class ActionDefinitionDV implements GeoportalConfigurationID, Serializabl
 
 	private String configID;
 
-	public Set<String> roles;
+	public Set<String> roles = new HashSet<String>(); //No role/s defined means enable the action by default
 
 	public ActionDefinitionDV() {