diff --git a/modernizr/index.d.ts b/modernizr/index.d.ts
index 7c8a0233af..a447f3acea 100644
--- a/modernizr/index.d.ts
+++ b/modernizr/index.d.ts
@@ -3,6 +3,9 @@
// Definitions by: Boris Yankov , Theodore Brown , Leon Yu
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+export = Modernizr; // support AMD require
+export as namespace Modernizr; // keep a global namespace
+
declare namespace __Modernizr {
interface AudioBoolean {
ogg: boolean;