diff --git a/tests/app/file-system/file-system-tests.ts b/tests/app/file-system/file-system-tests.ts
index 53a66f9e4..9087a7151 100644
--- a/tests/app/file-system/file-system-tests.ts
+++ b/tests/app/file-system/file-system-tests.ts
@@ -180,7 +180,7 @@ export var testFileReadWriteBinary = function () {
     var fileName = "logo.png";
     var error;
 
-    var sourceFile = fs.File.fromPath(__dirname + "/" + fileName);
+    var sourceFile = fs.File.fromPath(__dirname + "/../" + fileName);
     var destinationFile = fs.knownFolders.documents().getFile(fileName);
 
     var source = sourceFile.readSync(e=> { error = e; });