diff --git a/fs-extra-promise/fs-extra-promise.d.ts b/fs-extra-promise/fs-extra-promise.d.ts
index 77de929345..2243a4d1c5 100644
--- a/fs-extra-promise/fs-extra-promise.d.ts
+++ b/fs-extra-promise/fs-extra-promise.d.ts
@@ -166,7 +166,8 @@ declare module "fs-extra-promise" {
 	export function watch(filename: string, options?: { persistent?: boolean; }, listener?: (event: string, filename: string) => any): FSWatcher;
 	export function exists(path: string, callback?: (exists: boolean) => void): void;
 	export function existsSync(path: string): boolean;
-    export function ensureDir(path: string, cb: (err: Error) => void): void;
+    	export function ensureDir(path: string, cb: (err: Error) => void): void;
+    	export function ensureDirSync(path: string): void;
 
 	export interface OpenOptions {
 		encoding?: string;