diff --git a/java/src/com/zerotier/sdk/NodeException.java b/java/src/com/zerotier/sdk/NodeException.java
index 05d6a5efb..beeb06063 100644
--- a/java/src/com/zerotier/sdk/NodeException.java
+++ b/java/src/com/zerotier/sdk/NodeException.java
@@ -28,6 +28,9 @@
 package com.zerotier.sdk;
 
 public class NodeException extends Exception {
+
+    private static final long serialVersionUID = 6268040509883125819L;
+    
     public NodeException(String message) {
         super(message);
     }