diff --git a/filesystem/filesystem.d.ts b/filesystem/filesystem.d.ts
index 444f67a47c..90b159f752 100644
--- a/filesystem/filesystem.d.ts
+++ b/filesystem/filesystem.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Kon <http://phyzkit.net/> 
 // Definitions: https://github.com/borisyankov/DefinitelyTyped 
 
-/// <reference path="filewriter.d.ts" />
+/// <reference path="../filewriter/filewriter.d.ts" />
 
 interface LocalFileSystem {