diff --git a/server_privileges.php b/server_privileges.php
index 51127ced1..e43614360 100644
--- a/server_privileges.php
+++ b/server_privileges.php
@@ -890,6 +890,7 @@ if (isset($_REQUEST['adduser_submit']) || isset($_REQUEST['change_copy'])) {
         $message = PMA_Message::error(__('The user %s already exists!'));
         $message->addParam('[i]\'' . $username . '\'@\'' . $hostname . '\'[/i]');
         $_REQUEST['adduser'] = true;
+        $_add_user_error = true;
     } else {
 
         $create_user_real = 'CREATE USER \'' . PMA_sqlAddslashes($username) . '\'@\'' . PMA_sqlAddslashes($hostname) . '\'';
@@ -1385,7 +1386,7 @@ $link_export = '<a class="export_user_anchor ' . $conditional_class . '" href="s
  * If we are in an Ajax request for Create User/Edit User/Revoke User/Flush Privileges,
  * show $message and exit.
  */
-if( $GLOBALS['is_ajax_request'] && !isset($_REQUEST['export']) && !isset($_REQUEST['adduser']) && !isset($_REQUEST['initial']) && !isset($_REQUEST['showall']) && !isset($_REQUEST['edit_user_dialog'])) {
+if( $GLOBALS['is_ajax_request'] && !isset($_REQUEST['export']) && (!isset($_REQUEST['adduser']) || $_add_user_error) && !isset($_REQUEST['initial']) && !isset($_REQUEST['showall']) && !isset($_REQUEST['edit_user_dialog'])) {
 
     if(isset($sql_query)) {
         $extra_data['sql_query'] = PMA_showMessage(NULL, $sql_query);