diff --git a/src/de/mas/wiiu/jnus/utils/ByteArrayWrapper.java b/src/de/mas/wiiu/jnus/utils/ByteArrayWrapper.java
index c3a9f89..24ef546 100644
--- a/src/de/mas/wiiu/jnus/utils/ByteArrayWrapper.java
+++ b/src/de/mas/wiiu/jnus/utils/ByteArrayWrapper.java
@@ -18,13 +18,12 @@ package de.mas.wiiu.jnus.utils;
 
 import java.util.Arrays;
 
+import lombok.NonNull;
+
 public final class ByteArrayWrapper {
     private final byte[] data;
 
-    public ByteArrayWrapper(byte[] data) {
-        if (data == null) {
-            throw new NullPointerException();
-        }
+    public ByteArrayWrapper(@NonNull byte[] data) {       
         this.data = data;
     }