diff --git a/src/wp-admin/network/upgrade.php b/src/wp-admin/network/upgrade.php
index b9c2bcf343..5c2d3f990f 100644
--- a/src/wp-admin/network/upgrade.php
+++ b/src/wp-admin/network/upgrade.php
@@ -53,9 +53,9 @@ switch ( $action ) {
 		}
 
 		$site_ids = get_sites( array(
-			'spam'       => '0',
-			'deleted'    => '0',
-			'archived'   => '0',
+			'spam'       => 0,
+			'deleted'    => 0,
+			'archived'   => 0,
 			'network_id' => get_current_network_id(),
 			'number'     => 5,
 			'offset'     => $n,