diff --git a/angular-hotkeys/angular-hotkeys-tests.ts b/angular-hotkeys/angular-hotkeys-tests.ts
index 4e63b32fa1..66f9e60727 100644
--- a/angular-hotkeys/angular-hotkeys-tests.ts
+++ b/angular-hotkeys/angular-hotkeys-tests.ts
@@ -1,10 +1,13 @@
+/// <reference path="../angularjs/angular.d.ts" />
 /// <reference path="angular-hotkeys.d.ts" />
 
+var scope: ng.IScope;
 var hotkeyProvider: ng.hotkeys.HotkeysProvider;
 var hotkeyObj: ng.hotkeys.Hotkey;
 
 hotkeyProvider.add("mod+s", "saves a file", (event: Event, hotkey: ng.hotkeys.Hotkey) => {} );
 hotkeyProvider.add(hotkeyObj);
+hotkeyProvider.bindTo(scope);
 hotkeyProvider.del("mod+s");
 hotkeyProvider.get("mod+s");
 hotkeyProvider.toggleCheatSheet();
diff --git a/angular-hotkeys/angular-hotkeys.d.ts b/angular-hotkeys/angular-hotkeys.d.ts
index 8c2e1ff1cc..cc4a3680c2 100644
--- a/angular-hotkeys/angular-hotkeys.d.ts
+++ b/angular-hotkeys/angular-hotkeys.d.ts
@@ -3,6 +3,8 @@
 // Definitions by: Jason Zhao <https://github.com/jlz27>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
+/// <reference path="../angularjs/angular.d.ts" />
+
 declare module ng.hotkeys {
 
     interface HotkeysProvider {
@@ -15,6 +17,8 @@ declare module ng.hotkeys {
 
         add(hotkeyObj: ng.hotkeys.Hotkey): void;
 
+        bindTo(scope : ng.IScope): ng.hotkeys.HotkeysProvider;
+
         del(combo: string): void;
 
         get(combo: string): ng.hotkeys.Hotkey;