diff --git a/gestion/lib/Constants/BddConstant.php b/gestion/lib/Constants/BddConstant.php
index 02ac83c..82a3ab7 100644
--- a/gestion/lib/Constants/BddConstant.php
+++ b/gestion/lib/Constants/BddConstant.php
@@ -8,7 +8,7 @@ abstract class BddConstant
     const DEFAULT_TABLE_PREFIX = "*PREFIX*";
     const DEFAULT_CLIENT_GROUP_NAME = "Nom du groupe";
     const DEFAULT_ADMIN_ID_NEXTCLOUD = 'admin';
-    const DEFAULT_ADMIN_APP_ID_NEXTCLOUD = "admin";
+    const DEFAULT_ADMIN_APP_ID_NEXTCLOUD = "Johann";
 
     const ISLEAVEPROPERTYONVCALENDAR = "ISLEAVE";
 
diff --git a/gestion/lib/Controller/InvoiceController.php b/gestion/lib/Controller/InvoiceController.php
index 502a82f..3ec6a59 100644
--- a/gestion/lib/Controller/InvoiceController.php
+++ b/gestion/lib/Controller/InvoiceController.php
@@ -1,6 +1,7 @@
 <?php
 namespace OCA\Gestion\Controller;
 
+use OCA\Gestion\Constants\BddConstant;
 use OCP\IConfig;
 use OCP\IRequest;
 use OCP\DB\Exception;
@@ -94,10 +95,6 @@ class InvoiceController  extends Controller
         {
             return new DataResponse("La facture n'existe pas", 404, ['Content-Type' => 'application/json']);
         }
-        $factureClientMail = $this->gestionRepository->getFactureClientMailByFactureId($factureId);
-        if($factureClientMail == null){
-            return new DataResponse("Le mail de la facture n'existe pas", 404, ['Content-Type' => 'application/json']);
-        }
         $factureGeneratedResponse = $this->invoicePdfService->generateFacturePdfByFactureId($factureId,$this->currentUserIdNextcloud);
         if($factureGeneratedResponse == null){
             return new DataResponse("La facture n'a pas été générée correctement", 404, ['Content-Type' => 'application/json']);
@@ -119,9 +116,9 @@ class InvoiceController  extends Controller
             "<p> Vous trouverez en pièce jointe la facture des soins de « " . $factureDate . " » .</p>".
             $signature
             );
-            $authUserEmail = $this->user->getEMailAddress();
-            if ($authUserEmail) {
-                $message->setCc([$authUserEmail]);
+            $appAdminEmail = $this->gestionRepository->getUserEmailByNextcloudId(BddConstant::DEFAULT_ADMIN_APP_ID_NEXTCLOUD);
+            if ($appAdminEmail) {
+                $message->setCc([$appAdminEmail]);
             }
           
             $this->mailer->send($message);
diff --git a/gestion/lib/Controller/PageController.php b/gestion/lib/Controller/PageController.php
index 1c874d1..53e1986 100644
--- a/gestion/lib/Controller/PageController.php
+++ b/gestion/lib/Controller/PageController.php
@@ -1619,9 +1619,9 @@ class PageController extends Controller {
 				 $signature
 				);
 				
-				$authUserEmail = $this->user->getEMailAddress();
-				if ($authUserEmail) {
-					$message->setCc([$authUserEmail]);
+				$appAdminEmail = $this->myDb->getUserEmailByNextcloudId(BddConstant::DEFAULT_ADMIN_APP_ID_NEXTCLOUD);
+				if ($appAdminEmail) {
+					$message->setCc([$appAdminEmail]);
 				}
 				$this->mailer->send($message);
 				return new DataResponse("", 200, ['Content-Type' => 'application/json']);
diff --git a/gestion/lib/Db/Bdd.php b/gestion/lib/Db/Bdd.php
index 0f874cf..2c6ac9d 100644
--- a/gestion/lib/Db/Bdd.php
+++ b/gestion/lib/Db/Bdd.php
@@ -2,6 +2,7 @@
 namespace OCA\Gestion\Db;
 
 use \Datetime;
+use OCA\Gestion\Helpers\MailHelpers;
 use OCP\IL10N;
 use OCP\IDBConnection;
 use Psr\Log\LoggerInterface;
@@ -5147,4 +5148,24 @@ COMMENTAIRES: ".$comment;
 
         return $mail;
     }
+
+    private function getUserAccountDataByNextcloudId($nextcloudId)
+    {
+        $sql = "SELECT * FROM " . self::DEFAULT_TABLE_PREFIX . "accounts as user_account WHERE user_account.uid = ? LIMIT 1;";
+        $result = $this->execSQLNoJsonReturn($sql, [$nextcloudId]);
+        if (!empty($result)) {
+            return $result[0];
+        }
+        return null;
+    }
+
+    public function getUserEmailByNextcloudId($nextcloudId)
+    {
+        $userAccount = $this->getUserAccountDataByNextcloudId($nextcloudId);
+        if ($userAccount != null) {
+            $userEmail = MailHelpers::getUserMailFromUserAccountData($userAccount['data']);
+            return $userEmail;
+        }
+        return null;
+    }
 }
diff --git a/gestion/lib/Helpers/MailHelpers.php b/gestion/lib/Helpers/MailHelpers.php
new file mode 100644
index 0000000..0bedc6b
--- /dev/null
+++ b/gestion/lib/Helpers/MailHelpers.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace OCA\Gestion\Helpers;
+
+
+class MailHelpers
+{
+    public static function getUserMailFromUserAccountData(string $userAccountData): string|null
+    {
+        $userAccountData = json_decode($userAccountData, true);
+        if (isset($userAccountData['email']) && isset($userAccountData['email']['value'])) {
+            return $userAccountData['email']['value'];
+        } else {
+            return null;
+        }
+    }
+
+}