diff --git a/src/main/java/info/istlab/ServerTester/MulticastSender.java b/src/main/java/info/istlab/ServerTester/MulticastSender.java
index a485fed..48e4096 100644
--- a/src/main/java/info/istlab/ServerTester/MulticastSender.java
+++ b/src/main/java/info/istlab/ServerTester/MulticastSender.java
@@ -68,7 +68,7 @@
     }
 
     public void sendnofity() {
-        String message = "";
+        String message = " ";
         byte[] data = message.getBytes();
         DatagramPacket packet = new DatagramPacket(data, data.length, group, port);
         try {