diff --git a/src/Security/SQLLoginUserAuthenticator.php b/src/Security/SQLLoginUserAuthenticator.php
index 649fc0e..d3ff9e0 100644
--- a/src/Security/SQLLoginUserAuthenticator.php
+++ b/src/Security/SQLLoginUserAuthenticator.php
@@ -60,7 +60,7 @@ class SQLLoginUserAuthenticator extends AbstractLoginFormAuthenticator
     public function authenticate(Request $request): SelfValidatingPassport
     {
         $form = $request->request->all(key: 'login');
-        $login = $form['login'];
+        $login = \strtolower($form['login']);
         $plaintextPassword = $form['password'];
         $session = $request->getSession();
         try {
diff --git a/src/Service/SQLLoginService.php b/src/Service/SQLLoginService.php
index 7e41ebf..0e97bbd 100644
--- a/src/Service/SQLLoginService.php
+++ b/src/Service/SQLLoginService.php
@@ -28,7 +28,6 @@ class SQLLoginService extends AbstractController
     public function fetchPasswordAndDatas(string $login): array
     {
         $dataRequest = $this->sqlLoginRequest->getDatasRequest();
-        $login = \strtolower($login);
         $datas = $this->executeRequestWithLogin($dataRequest, $login);
 
         return $datas;