diff --git a/appinfo/info.xml b/appinfo/info.xml
index d72581ef79e5d69bd3e19b88accac89fb6cc0619..7ee2a930857e0d11d625c9ff43769a3c53c7aaa6 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -10,7 +10,7 @@
     <description><![CDATA[in /e/OS cloud, nextcloud accounts are linked to mail accounts. This app ensures both are coordinated: it sets the e-mail address, quota and storage of the user upon creation.
     It also completes the account deletion by cleaning other parts of the /e/OS cloud setup to ensure no more data is retained when a user requests an account deletion.
     This app uses the UserDeletedEvent to invoke scripts in the docker-welcome container of /e/OS cloud setup]]></description>
-    <version>3.4.0</version>
+    <version>3.4.1</version>
     <licence>agpl</licence>
     <author mail="dev@murena.com" homepage="https://murena.com/">Murena SAS</author>
     <namespace>EcloudAccounts</namespace>
diff --git a/lib/Controller/UserController.php b/lib/Controller/UserController.php
index d5bf36516bcb1641b35131efa38b23a4c6ecabce..96bf75a37539c26557bb82a72b046240ac03cfd9 100644
--- a/lib/Controller/UserController.php
+++ b/lib/Controller/UserController.php
@@ -50,10 +50,10 @@ class UserController extends ApiController {
 		}
 
 		// To check for old accounts
-		$mailDomain = $this->config->getSystemValue('mail_domain');
-		$mailDomainSuffix = !empty($mailDomain) ? '@' . $mailDomain : '';
-		if (!$exists && stristr($uid, $mailDomainSuffix) === false) {
-			$exists = $this->userService->userExists($uid . $mailDomainSuffix);
+		$legacyDomain = $this->config->getSystemValue('legacy_domain');
+		$legacyDomainSuffix = !empty($legacyDomain) ? '@' . $legacyDomain : '';
+		if (!$exists && stristr($uid, $legacyDomainSuffix) === false) {
+			$exists = $this->userService->userExists($uid . $legacyDomainSuffix);
 		}
 
 		$response->setData($exists);