diff --git a/webpack-hot-dev-server.config.js b/webpack-hot-dev-server.config.js
index c964de7e..e002628f 100644
--- a/webpack-hot-dev-server.config.js
+++ b/webpack-hot-dev-server.config.js
@@ -55,6 +55,7 @@ module.exports = require("./make-webpack-config")(rules, {
       "./src/core/index.js"
     ],
     "swagger-ui-standalone-preset": [
+      "./src/style/main.scss",
       "./src/polyfills",
       "./src/standalone/index.js",
     ]