diff --git a/src/main/java/org/gcube/portlets/user/tdwx/server/session/TDSessionList.java b/src/main/java/org/gcube/portlets/user/tdwx/server/session/TDSessionList.java
index 03a1015..9789e34 100644
--- a/src/main/java/org/gcube/portlets/user/tdwx/server/session/TDSessionList.java
+++ b/src/main/java/org/gcube/portlets/user/tdwx/server/session/TDSessionList.java
@@ -13,7 +13,7 @@ import java.util.Arrays;
  */
 public class TDSessionList {
 	
-	protected TDSession[] sessions;
+	private TDSession[] sessions;
 	
 	public TDSessionList()
 	{