diff --git a/wp-admin/network.php b/wp-admin/network.php
index f8255680ba..e3bb676db4 100644
--- a/wp-admin/network.php
+++ b/wp-admin/network.php
@@ -96,7 +96,7 @@ include( './admin-header.php' );
 <?php screen_icon(); ?>
 <h2><?php echo esc_html( $title ); ?></h2>
 
-<form method="post">
+<form method="post" action="">
 <?php
 /**
  * Prints step 1 for Network installation process.