diff --git a/wp-includes/ms-site.php b/wp-includes/ms-site.php
index 60d1f29035..ddc71380b3 100644
--- a/wp-includes/ms-site.php
+++ b/wp-includes/ms-site.php
@@ -69,6 +69,10 @@ function wp_insert_site( array $data ) {
 
 	$new_site = get_site( $wpdb->insert_id );
 
+	if ( ! $new_site ) {
+		return new WP_Error( 'get_site_error', __( 'Could not retrieve site data.' ) );
+	}
+
 	clean_blog_cache( $new_site );
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 14c2eea494..24f10864ea 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2-alpha-44797';
+$wp_version = '5.2-alpha-44799';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.