diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
index 85ec6b7..ee61179 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
@@ -1295,7 +1295,7 @@ public class AppController implements SubscriberInterface {
 			initPortlet(rootPanel, instanceWithGrouping, searchingForItemId, searchParameter, itemIdParameter, operationParameter);
 
 		//CheckSession if you do not need to something when the session expire
-//		CheckSession.getInstance().startPolling();
+		CheckSession.getInstance().startPolling();
 	}
 
 	/**