diff --git a/gestion/lib/AppInfo/Application.php b/gestion/lib/AppInfo/Application.php
index 6496c86..39551de 100644
--- a/gestion/lib/AppInfo/Application.php
+++ b/gestion/lib/AppInfo/Application.php
@@ -5,9 +5,11 @@
 namespace OCA\Gestion\AppInfo;
 
 use OCA\DAV\Events\CalendarObjectCreatedEvent;
+use OCA\DAV\Events\CalendarObjectMovedEvent;
 use OCA\DAV\Events\CalendarObjectMovedToTrashEvent;
 use OCA\DAV\Events\CalendarObjectUpdatedEvent;
 use OCA\Gestion\Listener\CalendarObjectCreatedListener;
+use OCA\Gestion\Listener\CalendarObjectMovedListener;
 use OCA\Gestion\Listener\CalendarObjectMovedToTrashListener;
 use OCA\Gestion\Listener\CalendarObjectUpdatedListener;
 use OCP\AppFramework\App;
@@ -27,6 +29,7 @@ class Application extends App implements IBootstrap {
         $context->registerEventListener(CalendarObjectCreatedEvent::class, CalendarObjectCreatedListener::class);
         $context->registerEventListener(CalendarObjectMovedToTrashEvent::class, CalendarObjectMovedToTrashListener::class);
         $context->registerEventListener(CalendarObjectUpdatedEvent::class, CalendarObjectUpdatedListener::class);
+        $context->registerEventListener(CalendarObjectMovedEvent::class,CalendarObjectMovedListener::class);
     }
 
     public function boot(IBootContext $context): void {
diff --git a/gestion/lib/Db/Bdd.php b/gestion/lib/Db/Bdd.php
index bae498e..ccfbe3a 100644
--- a/gestion/lib/Db/Bdd.php
+++ b/gestion/lib/Db/Bdd.php
@@ -2487,16 +2487,21 @@ class Bdd {
         return "";
     }
 
+    public function getCalendarPrincipalNameByCalendarId($calendarId){
+        $calendar = $this->getCalendarById($calendarId);
+        if($calendar != null){
+            $principalUri = $calendar["principaluri"];
+            $organizerName = str_replace('principals/users/','',$principalUri);
+            $organizerName = trim($organizerName);
+            return $organizerName;
+        }
+        return null;
+    }
+
     public function getCalendarOrganizerNameByCalendarObjectUuid(string $calendarObjectUuid){
         $calendarObject = $this->getCalendarObjectByUuid($calendarObjectUuid);
         if($calendarObject != null){
-            $calendar = $this->getCalendarById($calendarObject['calendarid']);
-            if($calendar != null){
-                $principalUri = $calendar["principaluri"];
-                $organizerName = str_replace('principals/users/','',$principalUri);
-                $organizerName = trim($organizerName);
-                return $organizerName;
-            }
+            return $this->getCalendarPrincipalNameByCalendarId($calendarObject['calendarid']);
         }
         return null;
     }
@@ -3617,6 +3622,13 @@ class Bdd {
         }
     }
 
+    public function updateDevisThanato($devisId,$requestedThanatoId){
+        $sql= "UPDATE ".$this->tableprefix."devis as devis
+                SET devis.id_thanato = ? 
+                WHERE devis.id = ?";
+        $this->execSQLNoData($sql,[$requestedThanatoId,$devisId]);
+    }
+
     public function updateDevisClient($devisId,$requestedClientId,$currentClientId = null){
         $clientIsUpdated = $currentClientId != $requestedClientId;
         if($clientIsUpdated){
diff --git a/gestion/lib/Listener/CalendarObjectMovedListener.php b/gestion/lib/Listener/CalendarObjectMovedListener.php
new file mode 100644
index 0000000..ec6f6b6
--- /dev/null
+++ b/gestion/lib/Listener/CalendarObjectMovedListener.php
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @copyright 2022 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2022 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\Gestion\Listener;
+
+use OCA\DAV\Events\CalendarObjectMovedEvent;
+use OCA\Gestion\Service\GestionService;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use Psr\Log\LoggerInterface;
+
+class CalendarObjectMovedListener implements IEventListener {
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var GestionService */
+	private $gestionService;
+
+	public function __construct(
+        LoggerInterface $logger,GestionService $gestionService) {
+		$this->logger = $logger;
+		$this->gestionService = $gestionService;
+	}
+
+	public function handle(Event $event): void {
+		if (!($event instanceof CalendarObjectMovedEvent)) {
+			return;
+		}
+		$calendarData = $event->getObjectData();
+        $targetCalendarId = $event->getTargetCalendarId();
+		$vCalendarString = $calendarData["calendardata"];
+		$this->gestionService->HandleCalendarObjectMoved($vCalendarString,$targetCalendarId);
+	}
+
+}
diff --git a/gestion/lib/Service/GestionService.php b/gestion/lib/Service/GestionService.php
index 94af5d4..d020884 100644
--- a/gestion/lib/Service/GestionService.php
+++ b/gestion/lib/Service/GestionService.php
@@ -221,6 +221,27 @@ class GestionService {
         return true;
     }
 
+    public function HandleCalendarObjectMoved(string $vCalendarString,$targetCalendarId){
+        $calendarUuid = $this->GetCalendarUuidFromVCalendarString($vCalendarString);
+        $isCalendarForLeave = $this->GetIsLeaveFromVCalendarString($vCalendarString);
+        $isCalendarDevis = $isCalendarForLeave == false;
+        if($isCalendarDevis){
+            $devis = $this->gestionBdd->getDevisByCalendarUuid($calendarUuid);
+            if($devis != null){
+                $userPrincipalName = $this->gestionBdd->getCalendarPrincipalNameByCalendarId($targetCalendarId);
+                if($userPrincipalName != null){
+                    $thanatoId = $this->gestionBdd->getThanatoIdByUserUuid($userPrincipalName);
+                    if($thanatoId != null){
+                        $thanatoHasBeenChanged = $thanatoId != $devis["id_thanato"];
+                        if($thanatoHasBeenChanged){
+                            $this->gestionBdd->updateDevisThanato($devis['id'],$thanatoId);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
     public function HandleCreatedCalendarObject(string $vCalendarString){ 
         $isCalendarForLeave = $this->GetIsLeaveFromVCalendarString($vCalendarString);
         if($isCalendarForLeave){