diff --git a/src/storage/filesystem.js b/src/storage/filesystem.js
index 5d1aa20fa..8bcdaffa1 100644
--- a/src/storage/filesystem.js
+++ b/src/storage/filesystem.js
@@ -294,6 +294,7 @@ function testConfig(apiConfig, callback) {
     assert.strictEqual(typeof callback, 'function');
 
     if ('noHardlinks' in apiConfig && typeof apiConfig.noHardlinks !== 'boolean') return callback(new BoxError(BoxError.BAD_FIELD, 'noHardlinks must be boolean'));
+    if ('chown' in apiConfig && typeof apiConfig.chown !== 'boolean') return callback(new BoxError(BoxError.BAD_FIELD, 'chown must be boolean'));
 
     if (apiConfig.provider === PROVIDER_FILESYSTEM) {
         if (!apiConfig.backupFolder || typeof apiConfig.backupFolder !== 'string') return callback(new BoxError(BoxError.BAD_FIELD, 'backupFolder must be non-empty string'));