diff --git a/samples/hazelcast-spring/src/main/java/sample/SessionConfig.java b/samples/hazelcast-spring/src/main/java/sample/SessionConfig.java
index 1451d09f..e5642a90 100644
--- a/samples/hazelcast-spring/src/main/java/sample/SessionConfig.java
+++ b/samples/hazelcast-spring/src/main/java/sample/SessionConfig.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,7 +42,8 @@ public class SessionConfig {
 		int port = SocketUtils.findAvailableTcpPort();
 
 		config.getNetworkConfig()
-				.setPort(port);
+				.setPort(port)
+				.getJoin().getMulticastConfig().setEnabled(false);
 
 		System.out.println("Hazelcast port #: " + port);
 
diff --git a/samples/hazelcast/src/main/java/sample/Initializer.java b/samples/hazelcast/src/main/java/sample/Initializer.java
index ee0258a6..f6a1b07c 100644
--- a/samples/hazelcast/src/main/java/sample/Initializer.java
+++ b/samples/hazelcast/src/main/java/sample/Initializer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2016 the original author or authors.
+ * Copyright 2014-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,7 @@ public class Initializer implements ServletContextListener {
 		Config cfg = new Config();
 		NetworkConfig netConfig = new NetworkConfig();
 		netConfig.setPort(getAvailablePort());
+		netConfig.getJoin().getMulticastConfig().setEnabled(false);
 		cfg.setNetworkConfig(netConfig);
 		SerializerConfig serializer = new SerializerConfig().setTypeClass(Object.class)
 				.setImplementation(new ObjectStreamSerializer());