diff --git a/src/wp-includes/admin-bar.php b/src/wp-includes/admin-bar.php
index 3e1740f614209..8eb1e24e93ff2 100644
--- a/src/wp-includes/admin-bar.php
+++ b/src/wp-includes/admin-bar.php
@@ -455,6 +455,7 @@ function wp_admin_bar_site_menu( $wp_admin_bar ) {
  *
  * @since 5.9.0
  * @since 6.3.0 Added `$_wp_current_template_id` global for editing of current template directly from the admin bar.
+ * @since 6.6.0 Added the `canvas` query arg to the Site Editor link.
  *
  * @global string $_wp_current_template_id
  *
@@ -481,6 +482,7 @@ function wp_admin_bar_edit_site_menu( $wp_admin_bar ) {
 				array(
 					'postType' => 'wp_template',
 					'postId'   => $_wp_current_template_id,
+					'canvas'   => 'edit',
 				),
 				admin_url( 'site-editor.php' )
 			),