diff --git a/src/wp-admin/includes/network.php b/src/wp-admin/includes/network.php
index 7fe03dc472..b814adcf2c 100644
--- a/src/wp-admin/includes/network.php
+++ b/src/wp-admin/includes/network.php
@@ -268,7 +268,7 @@ function network_step1( $errors = false ) {
' . substr( $hostname, 4 ) . '',
'' . $hostname . '',
'www'