diff --git a/gestion/lib/Service/GestionService.php b/gestion/lib/Service/GestionService.php
index 85c7bc5..0a1d98a 100644
--- a/gestion/lib/Service/GestionService.php
+++ b/gestion/lib/Service/GestionService.php
@@ -67,7 +67,7 @@ class GestionService {
         }
         else{
             //get from calendar object
-            $organizerName = $this->getOrganizerNameFromVCalendarString($vCalendarString);
+            $organizerName = $this->getPrincipalUsernameFromVCalendarString($vCalendarString);
             if($organizerName != null){
                 $thanatoIdFromDb = $this->gestionBdd->getFirstThanatoIdByName($organizerName);
                 if($thanatoIdFromDb != null){
@@ -78,10 +78,10 @@ class GestionService {
         return $thanatoId;
     }
 
-    private function getOrganizerNameFromVCalendarString(string $vCalendarString){
+    private function getPrincipalUsernameFromVCalendarString(string $vCalendarString){
         $calendarUuid = VCalendarHelpers::GetValueFromKeyInVCalendarString("UID", $vCalendarString);
-        $organizerName = $this->gestionBdd->getCalendarOrganizerNameByCalendarObjectUuid($calendarUuid);
-        return $organizerName;
+        $principalUsername = $this->gestionBdd->getCalendarOrganizerNameByCalendarObjectUuid($calendarUuid);
+        return $principalUsername;
     }
     private function GetAttendeesNameFromVCalendarString(string $vCalendarString): array
     {
@@ -132,8 +132,21 @@ class GestionService {
             $articlesId = $this->gestionBdd->getArticlesIdFromArticlesNameArray($articlesValue);
             $this->gestionBdd->insertDevisArticleFromDevisIdAndArticlesIdArray($devisId, $articlesId);
         }
-        $organizerName = $this->getOrganizerNameFromVCalendarString($vCalendarString);
-        $this->gestionBdd->createDevisTrajetFromVCalendar($devisId,$organizerName);
+        $userName = $this->GetThanatoNameFromVCalendarString($vCalendarString);
+        $this->gestionBdd->createDevisTrajetFromVCalendar($devisId,$userName);
+    }
+
+    private function GetThanatoNameFromVCalendarString($vCalendarString){
+        $thanatoName = null;
+        $thanatoNames = $this->GetAttendeesNameFromVCalendarString($vCalendarString);
+        if(count($thanatoNames) > 0){
+            $thanatoName = $thanatoNames[0];
+        }
+        else{
+            //get from calendar object
+            $thanatoName = $this->getPrincipalUsernameFromVCalendarString($vCalendarString);
+        }
+        return $thanatoName;
     }
 
     private function GetClientIdFromVCalendarString(string $vCalendarString){