diff --git a/src/Controller/DefaultController.php b/src/Controller/DefaultController.php
index 2eb7664..fdc9fbc 100755
--- a/src/Controller/DefaultController.php
+++ b/src/Controller/DefaultController.php
@@ -49,7 +49,8 @@ class DefaultController extends AbstractController {
 				->setBody(
 					$this->renderView(
 						'emails/owner-list.html.twig',
-						$templateVars
+						$templateVars,
+						'text/html'
 					)
 				);
 			// send email
diff --git a/src/Service/MailService.php b/src/Service/MailService.php
index 698b15d..99a2797 100644
--- a/src/Service/MailService.php
+++ b/src/Service/MailService.php
@@ -44,12 +44,15 @@ class MailService {
 
 		$message = ( new Swift_Message( 'Framadate - mes sondages' ) )
 			->setFrom( 'ne-pas-repondre@framadate-api.cipherbliss.com' )
+			->setContentType('text/html')
+			->setCharset('UTF-8')
 			->setTo( $admin_user->getEmail() )
 			->setBody(
 				$this->renderView(
 					$templateVars[ 'email_template' ],
 					$templateVars
-				)
+				),
+				'text/html'
 			);
 
 		// send email