diff --git a/packages/edit-site/src/classic-stylebook.js b/packages/edit-site/src/classic-stylebook.js
index d873c54eda9c61..b8b389d6e9baa2 100644
--- a/packages/edit-site/src/classic-stylebook.js
+++ b/packages/edit-site/src/classic-stylebook.js
@@ -54,6 +54,7 @@ function ClassicStylebookLayout() {
 				<SidebarNavigationScreen
 					title={ __( 'Styles' ) }
 					description={ __( 'Overview of styled blocks.' ) }
+					isRoot
 				/>
 			),
 			preview: (