diff --git a/signalr/signalr-tests.ts b/signalr/signalr-tests.ts
index 4ac0752c1..8a96bf9a1 100644
--- a/signalr/signalr-tests.ts
+++ b/signalr/signalr-tests.ts
@@ -51,17 +51,17 @@ function test_connection() {
 }
 
 interface MyHubConnection extends HubConnection {
-    someState: string;
-    SomeFunction: Function;
+	someState: string;
+	SomeFunction: Function;
 
-    // My Hubs Client functions: 
-    client: {
-        addMessage: (message: string) => void;
-    }
-    // My Hubs Server function: 
-    server: {
-        send(message: string);
-    } 
+	// My Hubs Client functions: 
+	client: {
+		addMessage: (message: string) => void;
+	};
+	// My Hubs Server function: 
+	server: {
+		send(message: string);
+	};
 }
 
 interface SignalR {
@@ -110,7 +110,7 @@ function test_hubs() {
         .done(function (result) {
             console.log('The result is ' + result);
         });
-    proxy.on('addMessage', function (msg) {
+    proxy.on('addMessage', function (msg?) {
         console.log(msg);
     });
     var connection = $.hubConnection('http://localhost:8081/');