diff --git a/src/org/gcube/application/framework/core/session/ASLSession.java b/src/org/gcube/application/framework/core/session/ASLSession.java
index 536447d..0365855 100644
--- a/src/org/gcube/application/framework/core/session/ASLSession.java
+++ b/src/org/gcube/application/framework/core/session/ASLSession.java
@@ -166,7 +166,10 @@ public class ASLSession{
 	 */
 	public String getScopeName()
 	{
-		return scope.toString();
+		if (scope != null)
+			return scope.toString();
+		else
+			return null;
 	}
 
 	/**