diff --git a/angular-material/angular-material.d.ts b/angular-material/angular-material.d.ts
index 89cf141549..06c1ecf25f 100644
--- a/angular-material/angular-material.d.ts
+++ b/angular-material/angular-material.d.ts
@@ -102,6 +102,7 @@ declare module angular.material {
         capsule(capsule: boolean): T;
         theme(theme: string): T;
         hideDelay(delay: number): T;
+        position(position: string): T;
     }
 
     interface MDSimpleToastPreset extends MDToastPreset<MDSimpleToastPreset> {