diff --git a/appli_sf/src/Controller/SearchController.php b/appli_sf/src/Controller/SearchController.php
index d96d029af81034ca728a250a0a7e75a79e60c38d..b3c18071071716113dd984af09913daffff105fd 100644
--- a/appli_sf/src/Controller/SearchController.php
+++ b/appli_sf/src/Controller/SearchController.php
@@ -641,7 +641,7 @@ class SearchController extends BaseController
     private function sendDeathAlert(?Person $person, SearchData $searchData, MailService $mailService = null)
     {
         if ($person && $this->settingsData->hasDeathAlert() && $this->settingsData->getDeathAlertMail() &&
-            $searchData->getDeathDate() !== $person->getDeathDate()) {
+            $searchData->getDeathDate() != $person->getDeathDate()) {
             if ($mailService) {
                 $this->sendDeathAlertMail($person, $searchData, $mailService);
             }