diff --git a/packages/components/src/radio-control/index.tsx b/packages/components/src/radio-control/index.tsx
index 70a12a0d26fafb..29927558c58cd4 100644
--- a/packages/components/src/radio-control/index.tsx
+++ b/packages/components/src/radio-control/index.tsx
@@ -86,7 +86,7 @@ export function RadioControl(
 	return (
 		<fieldset
 			id={ id }
-			className={ clsx( 'components-radio-control', className ) }
+			className={ clsx( className, 'components-radio-control' ) }
 			aria-describedby={ !! help ? generateHelpId( id ) : undefined }
 		>
 			{ hideLabelFromVision ? (