diff --git a/packages/edit-site/src/utils/get-is-list-page.js b/packages/edit-site/src/utils/get-is-list-page.js
index f7312ec3c1c29..0fa818c28cb51 100644
--- a/packages/edit-site/src/utils/get-is-list-page.js
+++ b/packages/edit-site/src/utils/get-is-list-page.js
@@ -14,7 +14,9 @@ export default function getIsListPage(
 	isMobileViewport
 ) {
 	return (
-		[ '/wp_template', '/pages' ].includes( path ) ||
+		[ '/wp_template', '/wp_template_part/all', '/pages' ].includes(
+			path
+		) ||
 		( path === '/patterns' &&
 			// Don't treat "/patterns" without categoryType and categoryId as a
 			// list page in mobile because the sidebar covers the whole page.