diff --git a/webpack.config.js b/webpack.config.js
index 585231b3..7f92dfc1 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -34,7 +34,7 @@ Encore
 Encore.addPlugin(
     new PurgecssPlugin({
         paths: glob.sync([
-            path.join(__dirname, "source/**/*.{twig,html,md}")
+            path.join(__dirname, "output_*/**/*.html"),
         ]),
         extractors: [
             {