diff --git a/docs/basic-features/built-in-css-support.md b/docs/basic-features/built-in-css-support.md
index 92a98cc4e3a9..822e64599c58 100644
--- a/docs/basic-features/built-in-css-support.md
+++ b/docs/basic-features/built-in-css-support.md
@@ -198,7 +198,7 @@ $primary-color: #64FF00
 
 ```js
 // pages/_app.js
-import variables from '../styles/variables.module.css'
+import variables from '../styles/variables.module.scss'
 
 export default function MyApp({ Component, pageProps }) {
   return (