diff --git a/Queue.java b/Queue.java
index 9cd3791..b6f9c59 100644
--- a/Queue.java
+++ b/Queue.java
@@ -19,7 +19,7 @@ public class Queue<ContentType> {
     
     /* --------- Anfang der privaten inneren Klasse -------------- */
     
-    public class QueueNode {
+    private class QueueNode {
 
         private ContentType content = null;
         private QueueNode nextNode = null;
diff --git a/Server.java b/Server.java
index bb53c28..d21a506 100644
--- a/Server.java
+++ b/Server.java
@@ -30,7 +30,7 @@ public abstract class Server
     private NewConnectionHandler connectionHandler;
     private List<ClientMessageHandler> messageHandlers;
 
-    public class NewConnectionHandler extends Thread
+    private class NewConnectionHandler extends Thread
     {
         private ServerSocket serverSocket;
         private boolean active;