diff --git a/bin/Model/Microcontroller/Stack.class b/bin/Model/Microcontroller/Stack.class
index 682ae7e..57d7170 100644
Binary files a/bin/Model/Microcontroller/Stack.class and b/bin/Model/Microcontroller/Stack.class differ
diff --git a/src/Model/Microcontroller/Stack.java b/src/Model/Microcontroller/Stack.java
index fc74835..d1f8b56 100755
--- a/src/Model/Microcontroller/Stack.java
+++ b/src/Model/Microcontroller/Stack.java
@@ -25,7 +25,7 @@ public class Stack
     {
         stackpointer = 0;
         //Initialize stack with -1 to decide wether the stack is empty or not, because 0 could be a return address.
-        stack = new int[8];
+        stack = new int[]{-1, -1, -1, -1, -1, -1, -1, -1};
     }
 
     /**