diff --git a/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationAddedItem.java b/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationAddedItem.java
index 57e1e9d..eb93af8 100644
--- a/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationAddedItem.java
+++ b/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationAddedItem.java
@@ -34,6 +34,7 @@ public class WorkspaceNotificationAddedItem extends WorkspaceNotification {
 		this.userIdToNotify = userIdToNotify;
 		this.item = item;
 		this.folder = folder;
+		this.type = WorkspaceNotificationType.ITEM_NEW;
 	}
 
 	public String getUserIdToNotify() {
diff --git a/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationSharedFolder.java b/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationSharedFolder.java
index 5e9a48f..6abbc4a 100644
--- a/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationSharedFolder.java
+++ b/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationSharedFolder.java
@@ -26,6 +26,7 @@ public class WorkspaceNotificationSharedFolder extends WorkspaceNotification {
 		super();
 		this.userIdToNotify = userIdToNotify;
 		this.folder = folder;
+		this.type = WorkspaceNotificationType.FOLDER_SHARE;
 	}
 
 	public String getUserIdToNotify() {
diff --git a/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationUnsharedFolder.java b/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationUnsharedFolder.java
index 534ee57..6ce35e6 100644
--- a/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationUnsharedFolder.java
+++ b/src/main/java/org/gcube/social_networking/socialnetworking/model/beans/WorkspaceNotificationUnsharedFolder.java
@@ -36,6 +36,7 @@ public class WorkspaceNotificationUnsharedFolder extends WorkspaceNotification {
 		this.userIdToNotify = userIdToNotify;
 		this.unsharedFolderId = unsharedFolderId;
 		this.unsharedFolderName = unsharedFolderName;
+		this.type = WorkspaceNotificationType.FOLDER_UNSHARE;
 	}
 
 	@Override