diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/server/automaton/game/DetermineStartPlayerState.java b/Projekte/mdga/model/src/main/java/pp/mdga/server/automaton/game/DetermineStartPlayerState.java
index 58a062c3..9a3596c8 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/server/automaton/game/DetermineStartPlayerState.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/server/automaton/game/DetermineStartPlayerState.java
@@ -14,8 +14,10 @@
 import java.lang.System.Logger.Level;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.logging.Logger;
 
 public class DetermineStartPlayerState extends GameAutomatonState {
@@ -29,7 +31,7 @@ public class DetermineStartPlayerState extends GameAutomatonState {
      */
     private final Map<Integer, Integer> diceResults = new HashMap<>();
     private final List<Integer> playersHaveToRoll = new ArrayList<>();
-    private final Map<Integer, Boolean> messageReceived = new HashMap<>();
+    private final Set<Integer> messageReceived = new HashSet<>();;
 
     /**
      * Constructs a server state of the specified game logic.
@@ -94,7 +96,7 @@ else if (maximumRoll < entry.getValue()) {
      */
     @Override
     public void received(AnimationEndMessage msg, int from) {
-        this.messageReceived.put(from, true);
+        this.messageReceived.add(from);
         if (this.messageReceived.size() == this.logic.getGame().getPlayers().size()) {
             this.messageReceived.clear();
             if (this.playersHaveToRoll.size() > 1) {