diff --git a/xo.config.js b/xo.config.js
index da99e0a..f8a0390 100644
--- a/xo.config.js
+++ b/xo.config.js
@@ -3,6 +3,7 @@ module.exports = {
   rules: {
     '@typescript-eslint/prefer-readonly-parameter-types': 'off',
     'ava/no-skip-test': 'off',
-    'ava/no-only-test': 'off'
+    'ava/no-only-test': 'off',
+    'object-curly-spacing': ['error','always']
   }
 };