diff --git a/src/de/steamwar/network/packets/NetworkPacket.java b/src/de/steamwar/network/packets/NetworkPacket.java
index 14797fc..987e1ef 100644
--- a/src/de/steamwar/network/packets/NetworkPacket.java
+++ b/src/de/steamwar/network/packets/NetworkPacket.java
@@ -27,6 +27,7 @@ import java.io.*;
 @EqualsAndHashCode
 public abstract class NetworkPacket implements Serializable {
 
+    private static final long serialVersionUID = -3168992457669156473L;
     private transient MetaInfos metaInfos;
 
     public MetaInfos getMetaInfos() {