diff --git a/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Bookmark.java b/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Bookmark.java
index 650e06f..32910ee 100644
--- a/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Bookmark.java
+++ b/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Bookmark.java
@@ -8,7 +8,7 @@ public class Bookmark extends Model {
     public String name;
     public UUID playlistId;
     public UUID mediaFileId;
-    public int playIndex;
+    public int playIndex = 0;
     public int playTimeMs = 0;
     public boolean userCreated;
     public Timestamp createdAt = new Timestamp(new Date().getTime());
diff --git a/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Model.java b/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Model.java
index a3821d6..5fb86b5 100644
--- a/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Model.java
+++ b/core/src/main/java/com/jdbernard/wdiwtlt/db/models/Model.java
@@ -4,7 +4,7 @@ import java.util.UUID;
 import javax.persistence.Entity;
 
 @Entity
-public class Model implements Comparable<Model> {
+public class Model implements Comparable<Model>, Cloneable {
     public UUID id;
 
     public boolean equals(Object thatObj) {