diff --git a/request-promise/request-promise.d.ts b/request-promise/request-promise.d.ts
index bdc2764a2d..9cee53eee6 100644
--- a/request-promise/request-promise.d.ts
+++ b/request-promise/request-promise.d.ts
@@ -16,7 +16,7 @@ declare module 'request-promise' {
 
     export = RequestPromiseAPI;
 
-    function RequestPromiseAPI(options: RequestPromiseAPI.Options): request.Request;
+    function RequestPromiseAPI(options: RequestPromiseAPI.Options): Promise<any>;
     function RequestPromiseAPI(uri: string): Promise<request.Request>;
 
     module RequestPromiseAPI {