diff --git a/client/src/main/java/nl/andrewl/aos2_client/Client.java b/client/src/main/java/nl/andrewl/aos2_client/Client.java
index 70f4d38..f891f38 100644
--- a/client/src/main/java/nl/andrewl/aos2_client/Client.java
+++ b/client/src/main/java/nl/andrewl/aos2_client/Client.java
@@ -1,6 +1,7 @@
 package nl.andrewl.aos2_client;
 
 import nl.andrewl.aos2_client.config.ClientConfig;
+import nl.andrewl.aos2_client.config.ConnectConfig;
 import nl.andrewl.aos2_client.control.InputHandler;
 import nl.andrewl.aos2_client.model.Chat;
 import nl.andrewl.aos2_client.model.ClientPlayer;
@@ -26,10 +27,8 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
 public class Client implements Runnable {
-	private final String host;
-	private final int port;
-	private final String username;
-	private final ClientConfig config;
+	public final ConnectConfig connectConfig;
+	public final ClientConfig config;
 
 	private final CommunicationHandler communicationHandler;
 	private final InputHandler inputHandler;
@@ -46,11 +45,9 @@ public class Client implements Runnable {
 	private final Chat chat;
 	private final Queue<Runnable> mainThreadActions;
 
-	public Client(ClientConfig config, String host, int port, String username) {
-		this.host = host;
-		this.port = port;
-		this.username = username;
+	public Client(ClientConfig config, ConnectConfig connectConfig) {
 		this.config = config;
+		this.connectConfig = connectConfig;
 		this.camera = new Camera();
 		this.players = new ConcurrentHashMap<>();
 		this.teams = new ConcurrentHashMap<>();
@@ -81,7 +78,7 @@ public class Client implements Runnable {
 	@Override
 	public void run() {
 		try {
-			communicationHandler.establishConnection(host, port, username);
+			communicationHandler.establishConnection();
 		} catch (IOException e) {
 			System.err.println("Couldn't connect to the server: " + e.getMessage());
 			return;
@@ -279,6 +276,7 @@ public class Client implements Runnable {
 		String host = args[0].trim();
 		int port = Integer.parseInt(args[1]);
 		String username = args[2].trim();
+		ConnectConfig connectCfg = new ConnectConfig(host, port, username, false);
 
 		List<Path> configPaths = Config.getCommonConfigPaths();
 		configPaths.add(0, Path.of("client.yaml")); // Add this first so we create client.yaml if needed.
@@ -286,7 +284,7 @@ public class Client implements Runnable {
 			configPaths.add(Path.of(args[3].trim()));
 		}
 		ClientConfig clientConfig = Config.loadConfig(ClientConfig.class, configPaths, new ClientConfig(), "default-config.yaml");
-		Client client = new Client(clientConfig, host, port, username);
+		Client client = new Client(clientConfig, connectCfg);
 		client.run();
 	}
 }
diff --git a/client/src/main/java/nl/andrewl/aos2_client/CommunicationHandler.java b/client/src/main/java/nl/andrewl/aos2_client/CommunicationHandler.java
index 5942aee..8db07a2 100644
--- a/client/src/main/java/nl/andrewl/aos2_client/CommunicationHandler.java
+++ b/client/src/main/java/nl/andrewl/aos2_client/CommunicationHandler.java
@@ -8,7 +8,8 @@ import nl.andrewl.aos_core.model.Team;
 import nl.andrewl.aos_core.model.item.ItemStack;
 import nl.andrewl.aos_core.model.world.World;
 import nl.andrewl.aos_core.model.world.WorldIO;
-import nl.andrewl.aos_core.net.*;
+import nl.andrewl.aos_core.net.TcpReceiver;
+import nl.andrewl.aos_core.net.UdpReceiver;
 import nl.andrewl.aos_core.net.connect.ConnectAcceptMessage;
 import nl.andrewl.aos_core.net.connect.ConnectRejectMessage;
 import nl.andrewl.aos_core.net.connect.ConnectRequestMessage;
@@ -42,18 +43,18 @@ public class CommunicationHandler {
 		this.client = client;
 	}
 	
-	public void establishConnection(String host, int port, String username) throws IOException {
+	public void establishConnection() throws IOException {
 		if (socket != null && !socket.isClosed()) {
 			socket.close();
 		}
-		InetAddress address = InetAddress.getByName(host);
-		System.out.printf("Connecting to server at %s, port %d, with username \"%s\"...%n", address, port, username);
+		InetAddress address = InetAddress.getByName(client.connectConfig.host());
+		System.out.printf("Connecting to server at %s, port %d, with username \"%s\"...%n", address, client.connectConfig.port(), client.connectConfig.username());
 
-		socket = new Socket(address, port);
+		socket = new Socket(address, client.connectConfig.port());
 		socket.setSoTimeout(1000);
 		in = Net.getInputStream(socket.getInputStream());
 		out = Net.getOutputStream(socket.getOutputStream());
-		Net.write(new ConnectRequestMessage(username, true), out);
+		Net.write(new ConnectRequestMessage(client.connectConfig.username(), client.connectConfig.spectator()), out);
 		Message response = Net.read(in);
 		socket.setSoTimeout(0);
 		if (response instanceof ConnectRejectMessage rejectMessage) {
@@ -61,7 +62,7 @@ public class CommunicationHandler {
 		}
 		if (response instanceof ConnectAcceptMessage acceptMessage) {
 			this.clientId = acceptMessage.clientId();
-			client.setMyPlayer(new ClientPlayer(clientId, username));
+			client.setMyPlayer(new ClientPlayer(clientId, client.connectConfig.username()));
 			receiveInitialData();
 			establishDatagramConnection();
 			new Thread(new TcpReceiver(in, client::onMessageReceived).withShutdownHook(this::shutdown)).start();
diff --git a/client/src/main/java/nl/andrewl/aos2_client/config/ConnectConfig.java b/client/src/main/java/nl/andrewl/aos2_client/config/ConnectConfig.java
new file mode 100644
index 0000000..fc6118d
--- /dev/null
+++ b/client/src/main/java/nl/andrewl/aos2_client/config/ConnectConfig.java
@@ -0,0 +1,11 @@
+package nl.andrewl.aos2_client.config;
+
+/**
+ * The data that's needed by the client to initially establish a connection.
+ */
+public record ConnectConfig(
+		String host,
+		int port,
+		String username,
+		boolean spectator
+) {}