diff --git a/types/auto-sni/index.d.ts b/types/auto-sni/index.d.ts
index bc252831ca..075f093f0b 100644
--- a/types/auto-sni/index.d.ts
+++ b/types/auto-sni/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for auto-sni 2.1
+// Type definitions for auto-sni v2.1.1
 // Project: https://www.npmjs.com/package/auto-sni
 // Definitions by: Jan Wolf <https://github.com/janwo>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -8,18 +8,18 @@
 import {Server} from "https";
 
 declare namespace createServer {
-	interface Options {
-		email: string;
-		agreeTos: boolean;
-		domains: Array<string | string[]>;
-		ports?: {
-			http?: number,
-			https?: number
-		};
-		debug?: boolean;
-	}
+
 }
 
-declare function createServer(opts: createServer.Options, app?: any): Server;
+declare function createServer(opts: {
+	email: string,
+	agreeTos: boolean,
+	domains: Array<string|string[]>,
+	ports?: {
+		http?: number,
+		https?: number
+	},
+	debug?: boolean
+}, app?: any): Server;
 
 export = createServer;