diff --git a/signalr/signalr.d.ts b/signalr/signalr.d.ts
index 2c6b0f266..706d6a012 100644
--- a/signalr/signalr.d.ts
+++ b/signalr/signalr.d.ts
@@ -37,6 +37,7 @@ interface SignalR {
     messageId: string;
     url: string;
     qs: any;
+    state: number;
 
     (url: string, queryString?: any, logging?: boolean): SignalR;
     hubConnection(url?: string): SignalR;