diff --git a/tsdx.config.js b/tsdx.config.js
index 76bb93a7c..166fc8c9f 100644
--- a/tsdx.config.js
+++ b/tsdx.config.js
@@ -11,7 +11,7 @@ module.exports = {
                     mode: 'local',
                     generateScopedName: '[hash:8]',
                 },
-                mode: 'extract',
+                mode: ['extract', 'index.css'],
                 url: { inline: true },
             }),
         ].concat(config.plugins)