diff --git a/src/main/java/de/tudbut/io/TypedInputStream.java b/src/main/java/de/tudbut/io/TypedInputStream.java
index c5f2459..8ee3b8a 100644
--- a/src/main/java/de/tudbut/io/TypedInputStream.java
+++ b/src/main/java/de/tudbut/io/TypedInputStream.java
@@ -119,7 +119,7 @@ public class TypedInputStream {
     public byte[] readByteArray() throws IOException {
         byte[] bytes = new byte[readInt()];
         int n = 0;
-        while ((n += stream.read(bytes, n, bytes.length - n)) != 0);
+        while (n != (n += stream.read(bytes, n, bytes.length - n)));
         if(n != bytes.length) {
             byte[] cutBytes = new byte[n];
             System.arraycopy(bytes, 0, cutBytes, 0, n);