diff --git a/angularjs/angular-tests.ts b/angularjs/angular-tests.ts
index 5f8270e593..558042f2b6 100644
--- a/angularjs/angular-tests.ts
+++ b/angularjs/angular-tests.ts
@@ -379,6 +379,15 @@ module TestDeferred {
     }
 }
 
+module TestInjector {
+    let $injector: angular.auto.IInjectorService;
+
+    $injector.strictDi = true;
+
+    $injector.annotate(() => {});
+    $injector.annotate(() => {}, true);
+}
+
 
 // Promise signature tests
 module TestPromise {
@@ -957,7 +966,7 @@ function NgModelControllerTyping() {
     };
 }
 
-var $filter:  angular.IFilterService;
+var $filter: angular.IFilterService;
 
 function testFilter() {
 
diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index 65742944cb..c53a3e1c89 100644
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -1833,13 +1833,14 @@ declare module angular {
         // see http://docs.angularjs.org/api/AUTO.$injector
         ///////////////////////////////////////////////////////////////////////
         interface IInjectorService {
-            annotate(fn: Function): string[];
+            annotate(fn: Function, strictDi?: boolean): string[];
             annotate(inlineAnnotatedFunction: any[]): string[];
             get<T>(name: string, caller?: string): T;
             has(name: string): boolean;
             instantiate<T>(typeConstructor: Function, locals?: any): T;
             invoke(inlineAnnotatedFunction: any[]): any;
             invoke(func: Function, context?: any, locals?: any): any;
+            strictDi: boolean;
         }
 
         ///////////////////////////////////////////////////////////////////////