diff --git a/src/main/java/info/istlab/ServerTester/MulticastSender.java b/src/main/java/info/istlab/ServerTester/MulticastSender.java
index 5650856..6c474b0 100644
--- a/src/main/java/info/istlab/ServerTester/MulticastSender.java
+++ b/src/main/java/info/istlab/ServerTester/MulticastSender.java
@@ -19,6 +19,8 @@
         port = portNum;
         try {
             socket = new MulticastSocket();
+            socket.setTimeToLive(2);
+            socket.setNetworkInterface(App.primaryInterface);
             group = InetAddress.getByName("224.0.0.1");
         } catch (IOException e) {
             e.printStackTrace();