diff --git a/src/main/java/org/gcube/informationsystem/utils/discovery/ElementSpecilizationDiscovery.java b/src/main/java/org/gcube/informationsystem/utils/discovery/ElementSpecilizationDiscovery.java
index 10e0353..612a708 100644
--- a/src/main/java/org/gcube/informationsystem/utils/discovery/ElementSpecilizationDiscovery.java
+++ b/src/main/java/org/gcube/informationsystem/utils/discovery/ElementSpecilizationDiscovery.java
@@ -31,20 +31,31 @@ public class ElementSpecilizationDiscovery<E extends Element> {
 	protected final Class<E> root;
 	protected final List<Package> packages;
 	protected final List<Class<? extends E>> discovered;
+	protected final boolean includeRootPackage;
 	
 	public List<Class<? extends E>> getDiscovered() {
 		return discovered;
 	}
 	
 	public ElementSpecilizationDiscovery(Class<E> root) {
+		this(root, true);
+	}
+	
+	public ElementSpecilizationDiscovery(Class<E> root, boolean includeRootPackage) {
 		this.root = root;
 		this.packages = new ArrayList<>();
-		addPackage(root.getPackage());
+		this.includeRootPackage = includeRootPackage;
+		if(includeRootPackage) {
+			addPackage(root.getPackage());
+		}
 		this.discovered = new ArrayList<>();
 		add(root);
 	}
 	
 	public void addPackage(Package p) {
+		if(!includeRootPackage && p==root.getPackage()) {
+			return;
+		}
 		packages.add(p);
 	}