diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
index 3f912ad0611b6..9237d1339d02d 100644
--- a/src/wp-includes/block-template-utils.php
+++ b/src/wp-includes/block-template-utils.php
@@ -901,6 +901,14 @@ function _build_block_template_result_from_post( $post ) {
 		}
 	}
 
+	$hooked_blocks = get_hooked_blocks();
+	if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
+		$before_block_visitor = make_before_block_visitor( $hooked_blocks, $template );
+		$after_block_visitor  = make_after_block_visitor( $hooked_blocks, $template );
+		$blocks               = parse_blocks( $template->content );
+		$template->content    = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor );
+	}
+
 	return $template;
 }