diff --git a/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java b/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
index 6a61cfd9..41ddde08 100644
--- a/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
+++ b/Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java
@@ -146,7 +146,7 @@ public Player addPlayer(int id) {
     public void received(MapMessage msg, int from) {
         if (state != ServerState.SET_UP)
             LOGGER.log(Level.ERROR, "playerReady not allowed in {0}", state); //NON-NLS
-        else if (checkMap(msg, from))
+        else if (!checkMap(msg, from))
             LOGGER.log(Level.ERROR, "player submitted not allowed Map");
         else
             playerReady(getPlayerById(from), msg.getShips());
@@ -163,9 +163,6 @@ private boolean checkMap(MapMessage msg, int from) {
         int mapWidth = getPlayerById(from).getMap().getWidth();
         int mapHeight = getPlayerById(from).getMap().getHeight();
 
-        if (mapHeight != 10 || mapWidth != 10)
-            return false;
-
         // check if ship is out of bounds
         for (int i = 0; i < msg.getShips().size(); i++){
             Battleship battleship = msg.getShips().get(i);