diff --git a/index.js b/index.js
index fc328c7..7e55382 100644
--- a/index.js
+++ b/index.js
@@ -34,6 +34,7 @@ const defaultRules = [
   'npm-debug.log',
   '**/.npmrc',
   '.*.swp',
+  '.DS_Store',
   '**/.DS_Store/**',
   '._*',
   '**/._*/**',
diff --git a/test/include-gitignore.js b/test/include-gitignore.js
index d656ccb..5ecb702 100644
--- a/test/include-gitignore.js
+++ b/test/include-gitignore.js
@@ -38,6 +38,11 @@ t.test('setup', t => {
     '!.gitignore'
   )
 
+  fs.writeFileSync(
+    path.join(pkg, '/.DS_Store'),
+    'do not include me'
+  )
+
   fs.writeFileSync(
     path.join(pkg, 'package.json'),
     JSON.stringify(json, null, 2)