diff --git a/Ooui/Client.js b/Ooui/Client.js
index 1868524..5e047d5 100644
--- a/Ooui/Client.js
+++ b/Ooui/Client.js
@@ -1,4 +1,16 @@
 
+// Create WebSocket connection.
+const socket = new WebSocket ("ws://localhost:8080", "ooui-1.0");
 
-alert("Hello");
+console.log("Socket created");
 
+// Connection opened
+socket.addEventListener('open', function (event) {
+    console.log("Socket opened");
+    socket.send('Hello Server!');
+});
+
+// Listen for messages
+socket.addEventListener('message', function (event) {
+    console.log('Message from server', event.data);
+});
diff --git a/Ooui/Server.cs b/Ooui/Server.cs
index 9e25de3..f4f51f2 100644
--- a/Ooui/Server.cs
+++ b/Ooui/Server.cs
@@ -119,7 +119,7 @@ namespace Ooui
         {
             WebSocketContext webSocketContext = null;
             try {
-                webSocketContext = await listenerContext.AcceptWebSocketAsync(subProtocol: null).ConfigureAwait (false);
+                webSocketContext = await listenerContext.AcceptWebSocketAsync(subProtocol: "ooui-1.0").ConfigureAwait (false);
                 Console.WriteLine ("Accepted WebSocket: {0}", webSocketContext);
             }
             catch (Exception e) {