diff --git a/model/src/main/java/one/nem/kidshift/model/tasks/TaskItemModel.java b/model/src/main/java/one/nem/kidshift/model/tasks/TaskItemModel.java
index 107e8e8..3a6a1c3 100644
--- a/model/src/main/java/one/nem/kidshift/model/tasks/TaskItemModel.java
+++ b/model/src/main/java/one/nem/kidshift/model/tasks/TaskItemModel.java
@@ -44,6 +44,10 @@ public class TaskItemModel {
         this.reward = reward;
     }
 
+    public TaskItemModel() {
+
+    }
+
     // getter setter
 
     public String getInternalId() {