From b518566aeb9bb6470bb523772181313ca2ba3c17 Mon Sep 17 00:00:00 2001
From: = <peter.mayer@isb.bayern.de>
Date: Wed, 18 Jan 2023 10:53:13 +0100
Subject: [PATCH] MBS-7184: Make a accent insensitive query for the given email
 address

---
 classes/auth.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/auth.php b/classes/auth.php
index a74b398e7..20884d007 100644
--- a/classes/auth.php
+++ b/classes/auth.php
@@ -1069,7 +1069,7 @@ public function is_email_taken($email, $excludeusername = null) {
 
         if (!empty($email)) {
             // Make a case-insensitive query for the given email address.
-            $select = $DB->sql_equal('email', ':email', false) . ' AND mnethostid = :mnethostid AND deleted = :deleted';
+            $select = $DB->sql_equal('email', ':email', false, false) . ' AND mnethostid = :mnethostid AND deleted = :deleted';
             $params = array(
                 'email' => $email,
                 'mnethostid' => $CFG->mnet_localhost_id,