diff --git a/packages/mui-joy/src/styles/extendTheme.spec.ts b/packages/mui-joy/src/styles/extendTheme.spec.ts
index 963f10820225ed..73e42542bd3583 100644
--- a/packages/mui-joy/src/styles/extendTheme.spec.ts
+++ b/packages/mui-joy/src/styles/extendTheme.spec.ts
@@ -638,7 +638,7 @@ extendTheme({
     JoyDrawer: {
       defaultProps: {
         variant: 'plain',
-        color: 'neutral'
+        color: 'neutral',
       },
       styleOverrides: {
         root: ({ ownerState }) => {