diff --git a/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php b/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php
index 68d24d30bb..4e3ca02707 100644
--- a/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php
+++ b/tests/phpunit/includes/factory/class-wp-unittest-factory-for-blog.php
@@ -36,7 +36,7 @@ class WP_UnitTest_Factory_For_Blog extends WP_UnitTest_Factory_For_Thing {
 		$user_id = isset( $args['user_id'] ) ? $args['user_id'] : get_current_user_id();
 		// temp tables will trigger db errors when we attempt to reference them as new temp tables
 		$suppress = $wpdb->suppress_errors();
-		$blog     = wpmu_create_blog( $args['domain'], $args['path'], $args['title'], $user_id, $meta, $args['site_id'] );
+		$blog 	  = wp_insert_site( $args );
 		$wpdb->suppress_errors( $suppress );
 
 		// Tell WP we're done installing.