diff --git a/out/production/GameOfLifeAssignment/Life.class b/out/production/GameOfLifeAssignment/Life.class
index 7ed1173..51e3062 100644
Binary files a/out/production/GameOfLifeAssignment/Life.class and b/out/production/GameOfLifeAssignment/Life.class differ
diff --git a/out/test/GameOfLifeAssignment/LifeTest.class b/out/test/GameOfLifeAssignment/LifeTest.class
index cafc26e..91b85cf 100644
Binary files a/out/test/GameOfLifeAssignment/LifeTest.class and b/out/test/GameOfLifeAssignment/LifeTest.class differ
diff --git a/src/Life.java b/src/Life.java
index a2c2759..caf62b4 100644
--- a/src/Life.java
+++ b/src/Life.java
@@ -92,7 +92,7 @@ public class Life implements ILife {
                 else if(isAlive(x,y) && alive < 2){
                     nextBoard[y] = nextBoard[y].substring(0, x) + ' ' + nextBoard[y].substring(x+1);
                 }
-                else{
+                else if(isAlive(x,y) && (alive==2 || alive ==3)){
                     nextBoard[y] = nextBoard[y].substring(0, x) + board[y].charAt(x) + nextBoard[y].substring(x+1);
                 }
             }
diff --git a/test/LifeTest.java b/test/LifeTest.java
index ba3d9e7..5631c4f 100644
--- a/test/LifeTest.java
+++ b/test/LifeTest.java
@@ -40,6 +40,18 @@ public class LifeTest {
 
     @Test
     public void keepAliveCell() {
+        //Eine lebende Zelle mit zwei oder drei lebenden Nachbarn bleibt in der Folgegeneration am Leben.
+        // Arrange: drei lebende Zellen
+        Life l = new Life();
+        l.setAlive(0, 0);
+        l.setAlive(0, 1);
+        l.setAlive(0, 2);
+
+        // Act: Berechnung der Folgegeneration
+        l.nextGeneration();
+
+        // Assert: Rasterpunkt mit zwei oder 3 lebenden Nachbarn bleibt am Leben
+        assertTrue(l.isAlive(0, 1));
     }