diff --git a/src/Core/ACL.php b/src/Core/ACL.php
index 0eb2ecc8b3..3f163216e3 100644
--- a/src/Core/ACL.php
+++ b/src/Core/ACL.php
@@ -359,7 +359,7 @@ class ACL extends BaseObject
 			$pubmail_enabled = false;
 
 			if (function_exists('imap_open') && !Config::get('system', 'imap_disabled')) {
-				$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $user['úid']]);
+				$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $user['uid']]);
 				if (DBA::isResult($mailacct)) {
 					$mail_enabled = true;
 					$pubmail_enabled = !empty($mailacct['pubmail']);