diff --git a/src/main/java/JettyLauncher.java b/src/main/java/JettyLauncher.java
index 1ee2168..01245c2 100644
--- a/src/main/java/JettyLauncher.java
+++ b/src/main/java/JettyLauncher.java
@@ -1,3 +1,4 @@
+import org.eclipse.jetty.server.ConnectionFactory;
 import org.eclipse.jetty.server.Connector;
 import org.eclipse.jetty.server.Handler;
 import org.eclipse.jetty.server.HttpConnectionFactory;
@@ -9,8 +10,6 @@
 import java.net.URL;
 import java.net.InetSocketAddress;
 import java.security.ProtectionDomain;
-import java.util.Arrays;
-import java.util.Collection;
 
 public class JettyLauncher {
     public static void main(String[] args) throws Exception {
@@ -69,9 +68,13 @@
 //        server.addConnector(connector);
 
         // Disabling Server header
-        Arrays.stream(server.getConnectors()).map(Connector::getConnectionFactories).flatMap(Collection::stream)
-                .filter(HttpConnectionFactory.class::isInstance).map(HttpConnectionFactory.class::cast)
-                .map(HttpConnectionFactory::getHttpConfiguration).forEach(config -> config.setSendServerVersion(false));
+        for (Connector connector : server.getConnectors()) {
+            for (ConnectionFactory factory : connector.getConnectionFactories()) {
+                if (factory instanceof HttpConnectionFactory) {
+                    ((HttpConnectionFactory) factory).getHttpConfiguration().setSendServerVersion(false);
+                }
+            }
+        }
 
         WebAppContext context = new WebAppContext();