diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java
index b7cc8890..acc76a36 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/message/server/SpectatorMessage.java
@@ -1,8 +1,11 @@
 package pp.mdga.message.server;
 
+import com.jme3.network.serializing.Serializable;
+
 /**
  * A message sent by the server to indicate that the client is now a spectator.
  */
+@Serializable
 public class SpectatorMessage extends ServerMessage {
     /**
      * Constructor