diff --git a/docs/data/material/customization/css-theme-variables/usage.md b/docs/data/material/customization/css-theme-variables/usage.md
index 7aee4e3532f90a..02b399401b6d1b 100644
--- a/docs/data/material/customization/css-theme-variables/usage.md
+++ b/docs/data/material/customization/css-theme-variables/usage.md
@@ -17,7 +17,7 @@ import { ThemeProvider, createTheme } from '@mui/material/styles';
 const theme = createTheme({ cssVariables: true });
 
 function App() {
-  return <ThemeProvider>{/* ...you app */}</ThemeProvider>;
+  return <ThemeProvider theme={theme}>{/* ...your app */}</ThemeProvider>;
 }
 ```