diff --git a/src/wp-includes/class-wp-theme.php b/src/wp-includes/class-wp-theme.php
index 7cde57f4f9..a292b893ae 100644
--- a/src/wp-includes/class-wp-theme.php
+++ b/src/wp-includes/class-wp-theme.php
@@ -1515,8 +1515,8 @@ final class WP_Theme implements ArrayAccess {
 		}
 
 		$paths_to_index_block_template = array(
-			$this->get_file_path( '/block-templates/index.html' ),
 			$this->get_file_path( '/templates/index.html' ),
+			$this->get_file_path( '/block-templates/index.html' ),
 		);
 
 		$this->block_theme = false;