diff --git a/src/main/java/org/gcube/portal/databook/shared/ClientFeed.java b/src/main/java/org/gcube/portal/databook/shared/ClientFeed.java
index 20750a8..07fe349 100644
--- a/src/main/java/org/gcube/portal/databook/shared/ClientFeed.java
+++ b/src/main/java/org/gcube/portal/databook/shared/ClientFeed.java
@@ -30,7 +30,7 @@ public class ClientFeed implements Serializable {
 	private String linkDescription;
 	private String linkUrlThumbnail;
 	private String linkHost;
-	private List<String> attachments;
+	private List<Attachment> attachments;
 
 	public ClientFeed() {
 		super();
@@ -39,7 +39,7 @@ public class ClientFeed implements Serializable {
 	public ClientFeed(String key, String type, String userid, Date time,
 			String uri, String description, String fullName, String email,
 			String thumbnailURL, String linkTitle, String linkDescription,
-			String linkUrlThumbnail, String linkHost, List<String> attachments) {
+			String linkUrlThumbnail, String linkHost, List<Attachment> attachments) {
 		super();
 		this.key = key;
 		this.type = type;
@@ -162,11 +162,11 @@ public class ClientFeed implements Serializable {
 	}
 	
 
-	public List<String> getAttachments() {
+	public List<Attachment> getAttachments() {
 		return attachments;
 	}
 
-	public void setAttachments(List<String> attachments) {
+	public void setAttachments(List<Attachment> attachments) {
 		this.attachments = attachments;
 	}