1 files changed, 3 insertions, 1 deletions
diff --git a/src/main/java/com/juick/www/api/xnodeinfo2/model/Usage.java b/src/main/java/com/juick/www/api/xnodeinfo2/model/Usage.java
index ccb86a05..1c4f4c35 100644
--- a/src/main/java/com/juick/www/api/xnodeinfo2/model/Usage.java
+++ b/src/main/java/com/juick/www/api/xnodeinfo2/model/Usage.java
@@ -19,8 +19,10 @@ package com.juick.www.api.xnodeinfo2.model;
 
 import com.fasterxml.jackson.annotation.JsonView;
 
+import java.io.Serializable;
+
 @JsonView({NodeInfo.NodeInfoView.class, NodeInfo.XNodeInfoView.class})
-public class Usage {
+public class Usage implements Serializable {
     private UserStats users;
     private int localPosts;
     private int localComments;