diff --git a/src/wp-admin/site-editor.php b/src/wp-admin/site-editor.php
index 317660909cf1d..90dd0fb04753b 100644
--- a/src/wp-admin/site-editor.php
+++ b/src/wp-admin/site-editor.php
@@ -61,7 +61,7 @@ static function( $classes ) {
 
 $block_editor_context = new WP_Block_Editor_Context( array( 'name' => 'core/edit-site' ) );
 $custom_settings      = array(
-	'siteUrl'                  => site_url(),
+	'siteUrl'                  => home_url(),
 	'postsPerPage'             => get_option( 'posts_per_page' ),
 	'styles'                   => get_block_editor_theme_styles(),
 	'defaultTemplateTypes'     => $indexed_template_types,