diff --git a/wp-includes/block-template-utils.php b/wp-includes/block-template-utils.php
index 0cfdccdc6e..381a70e85d 100644
--- a/wp-includes/block-template-utils.php
+++ b/wp-includes/block-template-utils.php
@@ -937,7 +937,7 @@ function wp_generate_block_templates_export_file() {
 	}
 
 	$obscura    = wp_generate_password( 12, false, false );
-	$theme_name = wp_get_theme()->get( 'TextDomain' );
+	$theme_name = basename( get_stylesheet() );
 	$filename   = get_temp_dir() . $theme_name . $obscura . '.zip';
 
 	$zip = new ZipArchive();
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-edit-site-export-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-edit-site-export-controller.php
index dc81eeeccc..691760812b 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-edit-site-export-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-edit-site-export-controller.php
@@ -82,7 +82,7 @@ class WP_REST_Edit_Site_Export_Controller extends WP_REST_Controller {
 			return $filename;
 		}
 
-		$theme_name = wp_get_theme()->get( 'TextDomain' );
+		$theme_name = basename( get_stylesheet() );
 		header( 'Content-Type: application/zip' );
 		header( 'Content-Disposition: attachment; filename=' . $theme_name . '.zip' );
 		header( 'Content-Length: ' . filesize( $filename ) );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2b3a078fb4..2cb4851f45 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53401';
+$wp_version = '6.1-alpha-53402';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.