diff --git a/src/ch/zhaw/catan/SiedlerGame.java b/src/ch/zhaw/catan/SiedlerGame.java
index fcf3534..eff8ac0 100644
--- a/src/ch/zhaw/catan/SiedlerGame.java
+++ b/src/ch/zhaw/catan/SiedlerGame.java
@@ -32,6 +32,9 @@ public class SiedlerGame {
      *                                  or players is not between two and four
      */
     public SiedlerGame(int winPoints, int numberOfPlayers) {
+        if (winPoints < 3 || numberOfPlayers < Config.MIN_NUMBER_OF_PLAYERS || numberOfPlayers > 4) {
+            throw new IllegalArgumentException();
+        }
         bank = new Bank();
         board = new SiedlerBoard();
         board.createFixGameField();
diff --git a/test/ch/zhaw/catan/SiedlerGameTest.java b/test/ch/zhaw/catan/SiedlerGameTest.java
index eea1873..42a68ee 100644
--- a/test/ch/zhaw/catan/SiedlerGameTest.java
+++ b/test/ch/zhaw/catan/SiedlerGameTest.java
@@ -152,7 +152,6 @@ public class SiedlerGameTest {
         @Test
         @DisplayName("Starting Siedler game with one player, expects fail")
         public void startSiedlerGameWithLowerThanMinimumWinPoints() {
-
             Exception exc = assertThrows(IllegalArgumentException.class, () -> {
                 SiedlerGame game = new SiedlerGame(1, 4);
             });