diff --git a/sendgrid/sendgrid.d.ts b/sendgrid/sendgrid.d.ts
index 80b5d78ee9..7f644b65b0 100644
--- a/sendgrid/sendgrid.d.ts
+++ b/sendgrid/sendgrid.d.ts
@@ -51,7 +51,7 @@ declare module Sendgrid {
         replyto?: string;
         date?: Date;
         headers?: { [key: string]: string };
-        files?: SendgridEmailFileOptions[];
+        files?: FileHandlerOptions[];
         smtpapi?: any;
     }