diff --git a/findup-sync/findup-sync-tests.ts b/findup-sync/findup-sync-tests.ts
index f4aab395ae..55eab36177 100644
--- a/findup-sync/findup-sync-tests.ts
+++ b/findup-sync/findup-sync-tests.ts
@@ -11,3 +11,7 @@ str = findup(['foo', 'bar']);
 str = findup('foo', {
 	debug: true
 });
+
+str = findup('foo', {
+	cwd: "c:\\"
+});
diff --git a/findup-sync/findup-sync.d.ts b/findup-sync/findup-sync.d.ts
index a5bb5b49df..b7bf674e23 100644
--- a/findup-sync/findup-sync.d.ts
+++ b/findup-sync/findup-sync.d.ts
@@ -1,6 +1,6 @@
-// Type definitions for findup-sync v0.1.3
+// Type definitions for findup-sync v0.3.0
 // Project: https://github.com/cowboy/node-findup-sync
-// Definitions by: Bart van der Schoor <https://github.com/Bartvds>
+// Definitions by: Bart van der Schoor <https://github.com/Bartvds>, Nathan Brown <https://github.com/ngbrown>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../minimatch/minimatch.d.ts" />
@@ -8,8 +8,11 @@
 declare module 'findup-sync' {
 	import minimatch = require('minimatch');
 
-	function mod(pattern: string, opts?: minimatch.IOptions): string;
-	function mod(pattern: string[], opts?: minimatch.IOptions): string;
+	interface IOptions extends minimatch.IOptions {
+		cwd?: string;
+	}
+
+	function mod(pattern: string[] | string, opts?: IOptions): string;
 
 	export = mod;
 }