diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java
index 518feb52..6a69b6ba 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java
@@ -66,6 +66,8 @@ public class MdgaApp extends SimpleApplication {
 
     private ServerConnection networkConnection;
 
+    public static final int DEBUG_MULTIPLIER = 0;
+
     public MdgaApp() {
         networkConnection = new NetworkSupport(this);
         this.clientGameLogic = new ClientGameLogic(networkConnection);
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java
index 7bc98b81..67ef7b53 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java
@@ -7,6 +7,7 @@
 import pp.mdga.client.view.CeremonyView;
 import pp.mdga.client.view.GameView;
 import pp.mdga.client.view.LobbyView;
+import pp.mdga.game.BonusCard;
 import pp.mdga.game.Color;
 import pp.mdga.notification.*;
 
@@ -171,6 +172,12 @@ private void handleGame(Notification notification) {
         } else if (notification instanceof NoShieldNotification n) {
             boardHandler.unshieldPiece(n.getPieceId());
         } else if (notification instanceof PlayCardNotification n) {
+            if(n.getCard() == BonusCard.TURBO) {
+                guiHandler.turbo();
+                app.getModelSynchronize().animationEnd();
+                return;
+            }
+
             if(n.getColor() == ownColor) guiHandler.playCardOwn(n.getCard());
             else guiHandler.playCardEnemy(n.getColor(), n.getCard());
         } else if (notification instanceof PlayerInGameNotification n) {
@@ -203,7 +210,7 @@ private void handleGame(Notification notification) {
             boardHandler.swapPieceAnim(n.getFirstPiece(), n.getSecondPiece());
             guiHandler.swap();
         } else if (notification instanceof WaitMoveNotification) {
-            //TODO ???
+            //nothing
         } else if (notification instanceof SelectableMoveNotification n) {
             boardHandler.outlineMove(n.getPieces(), n.getMoveIndices(), n.getHomeMoves());
             modelSynchronizer.setSwap(false);
@@ -214,7 +221,7 @@ private void handleGame(Notification notification) {
             boardHandler.outlineShield(n.getPieces());
             modelSynchronizer.setSwap(false);
         } else if (notification instanceof TurboActiveNotification){
-            guiHandler.turbo();
+            //nothing
         } else if (notification instanceof FinishNotification n){
             guiHandler.finish(n.getColorFinished());
         } else {
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/server/UUIDSerializer.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/server/UUIDSerializer.java
index c892e6d7..a99522bf 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/server/UUIDSerializer.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/server/UUIDSerializer.java
@@ -21,6 +21,9 @@ public <T> T readObject(ByteBuffer data, Class<T> c) throws IOException
     public void writeObject(ByteBuffer buffer, Object object) throws IOException
     {
         UUID uuid = (UUID) object;
-        buffer.put(uuid.toString().getBytes());
+
+        if(uuid != null) {
+            buffer.put(uuid.toString().getBytes());
+        }
     }
 }