diff --git a/winjs/winjs.d.ts b/winjs/winjs.d.ts
index e91a8548ef..99a5e33c2b 100644
--- a/winjs/winjs.d.ts
+++ b/winjs/winjs.d.ts
@@ -13,6 +13,8 @@ See the Apache Version 2.0 License for specific language governing permissions
 and limitations under the License.
 ***************************************************************************** */
 
+///<reference path="../winrt/winrt.d.ts"/>
+
 declare module WinJS {
     function strictProcessing(): void;