From 26915921a98ab8faffb38d84446979752d9a37d9 Mon Sep 17 00:00:00 2001
From: Bestwebdesign <sigmund@bestwebdesign.no>
Date: Mon, 9 Oct 2023 04:59:40 +0200
Subject: [PATCH] [joy-ui][Switch] Fix missing class name (#39327)

---
 packages/mui-joy/src/Switch/Switch.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/mui-joy/src/Switch/Switch.tsx b/packages/mui-joy/src/Switch/Switch.tsx
index eae4046da716bf..ad8ad8bb805b17 100644
--- a/packages/mui-joy/src/Switch/Switch.tsx
+++ b/packages/mui-joy/src/Switch/Switch.tsx
@@ -13,7 +13,7 @@ import { SwitchTypeMap, SwitchOwnerState } from './SwitchProps';
 import FormControlContext from '../FormControl/FormControlContext';
 
 const useUtilityClasses = (ownerState: SwitchOwnerState) => {
-  const { checked, disabled, focusVisible, readOnly, color, variant } = ownerState;
+  const { checked, disabled, focusVisible, readOnly, color, variant, size } = ownerState;
 
   const slots = {
     root: [
@@ -24,6 +24,7 @@ const useUtilityClasses = (ownerState: SwitchOwnerState) => {
       readOnly && 'readOnly',
       variant && `variant${capitalize(variant)}`,
       color && `color${capitalize(color)}`,
+      size && `size${capitalize(size)}`,
     ],
     thumb: ['thumb', checked && 'checked'],
     track: ['track', checked && 'checked'],