diff --git a/jest/jest.d.ts b/jest/jest.d.ts
index 52d09f99e6..dd051fcbc1 100644
--- a/jest/jest.d.ts
+++ b/jest/jest.d.ts
@@ -63,6 +63,7 @@ declare module jest {
 
     interface Mock<T> {
         new(): T;
+        (...args:any[]): any; // TODO please fix this line! added for TypeScript 1.1.0-1 https://github.com/borisyankov/DefinitelyTyped/pull/2932
         mock: MockContext<T>;
         mockClear(): void;
         mockImplementation(fn: Function): Mock<T>;