diff --git a/src/Controller/AnswerController.php b/src/Controller/AnswerController.php
index fbbf529..579163b 100644
--- a/src/Controller/AnswerController.php
+++ b/src/Controller/AnswerController.php
@@ -41,8 +41,7 @@ public function modifyAnswer(int $id)
         $verifAccess = new AccessValidator();
         if (!$verifAccess->isValid($idUserAnswer['idUser'] ?? null)) {
             http_response_code(500);
-            $this->renderView('500.html.twig');
-            exit();
+            return $this->renderView('500.html.twig');
         }
         $this->renderView(
             'modifyAnswer.html.twig',
@@ -74,8 +73,7 @@ public function deleteAnswer(int $id)
         $verifAccess = new AccessValidator();
         if (!$verifAccess->isValid($answerInfo['idUser'] ?? null)) {
             http_response_code(500);
-            $this->renderView('500.html.twig');
-            exit();
+            return $this->renderView('500.html.twig');
         }
         $session = new MessageFlash();
         $session->setFlashMessage('Votre réponse a bien été supprimée !', 'success');
diff --git a/src/Controller/BloggerController.php b/src/Controller/BloggerController.php
index 66d3a46..964f5af 100644
--- a/src/Controller/BloggerController.php
+++ b/src/Controller/BloggerController.php
@@ -16,8 +16,7 @@ public function show(int $id)
 
         if (!$bloggerInfo) {
             http_response_code(404);
-            $this->renderView('404.html.twig');
-            exit();
+            return $this->renderView('404.html.twig');
         }
 
         $cookie = $_COOKIE['auth'] ?? null;
@@ -50,8 +49,7 @@ public function modifyProfil(int $id)
 
         if (!$verifAccess->isValid($bloggerInfo['idUser'])) {
             http_response_code(500);
-            $this->renderView('500.html.twig');
-            exit();
+            return $this->renderView('500.html.twig');
         }
 
         if ($_SERVER['REQUEST_METHOD'] == 'POST') {
@@ -66,8 +64,7 @@ public function modifyProfil(int $id)
             $checkForm = new FormValidator();
 
             if (!$checkForm->checkModifProfile($_POST)) {
-                header('Location: /Blog/modify-profil/' . $id);
-                exit();
+                return header('Location: /Blog/modify-profil/' . $id);
             }
             $session->setFlashMessage('Votre profil a bien été modifié !', 'success');
             $bloggerRepo->modifyProfil($id, $blogger);
diff --git a/src/Controller/MailController.php b/src/Controller/MailController.php
index a0beffd..f4c99f5 100644
--- a/src/Controller/MailController.php
+++ b/src/Controller/MailController.php
@@ -31,8 +31,7 @@ public function sendNewPassword()
         if (!$userRepo->getUserByEmail($email)) {
             $session = new MessageFlash();
             $session->setFlashMessage('Le mail saisi n\'existe pas ! ', 'danger');
-            header("Location: /Blog/sign-in");
-            exit();
+            return header("Location: /Blog/sign-in");
         }
 
         $randomPassword = new RandomPassword();
diff --git a/src/Controller/PostsController.php b/src/Controller/PostsController.php
index 7033f0d..0affc71 100644
--- a/src/Controller/PostsController.php
+++ b/src/Controller/PostsController.php
@@ -16,8 +16,7 @@ public function show(int $id)
         $cookie = explode('-----', $cookie);
         if (!$postInfo) {
             http_response_code(404);
-            $this->renderView('404.html.twig');
-            exit();
+            return $this->renderView('404.html.twig');
         }
         $userName = $post->getUserForAPost($id);
         $answerRepo = new AnswerRepository();
@@ -57,8 +56,7 @@ public function showAllPosts($page)
             $hasPost = false;
         } else if ($paginationConf['overPage']) {
             http_response_code(404);
-            $this->renderView('404.html.twig');
-            exit();
+            return $this->renderView('404.html.twig');
         }
 
         $this->renderView(
@@ -81,8 +79,7 @@ public function createPost()
         $verifAccess = new AccessValidator();
         if ($verifAccess->isValid($_SESSION['id'] ?? $cookie[0]) === false) {
             http_response_code(500);
-            $this->renderView(ERR_500);
-            exit();
+            return $this->renderView(ERR_500);
         }
 
         $session = new MessageFlash();
@@ -109,8 +106,7 @@ public function createPost()
             $checkPost = new FormValidator();
 
             if (!$checkPost->checkPost($post)) {
-                header('Location: /Blog/create-post');
-                exit();
+                return header('Location: /Blog/create-post');
             }
 
             $session = new MessageFlash();
@@ -134,8 +130,7 @@ public function modifyPost(int $id)
 
         if (!$verifAccess->isValid($postInfo['idUser'] ?? null)) {
             http_response_code(500);
-            $this->renderView(ERR_500);
-            exit();
+            return $this->renderView(ERR_500);
         }
         $this->renderView(
             'modifyPost.html.twig',
@@ -166,8 +161,7 @@ public function modifyPost(int $id)
             $checkPost = new FormValidator();
 
             if (!$checkPost->checkPost($post)) {
-                header('Location: /Blog/modify-post/' . $id);
-                exit();
+                return header('Location: /Blog/modify-post/' . $id);
             }
             $session = new MessageFlash();
             $session->setFlashMessage('Votre post a bien été modifié !', 'alert alert-success');
@@ -184,8 +178,7 @@ public function deletePost(int $id)
 
         if (!$verifAccess->isValid($postInfo['idUser'] ?? null)) {
             http_response_code(500);
-            $this->renderView(ERR_500);
-            exit();
+            return $this->renderView(ERR_500);
         }
         $session = new MessageFlash();
         $session->setFlashMessage('Votre post a bien été supprimé !', 'alert alert-success');
diff --git a/src/Controller/SigninController.php b/src/Controller/SigninController.php
index 60892d2..d93cf7a 100644
--- a/src/Controller/SigninController.php
+++ b/src/Controller/SigninController.php
@@ -31,8 +31,7 @@ public function signIn()
         $userManager = new UserManager();
         $checkSignIn = new FormValidator();
         if (!$checkSignIn->checkSignIn($user)) {
-            header('Location: /Blog/sign-in');
-            exit();
+            return header('Location: /Blog/sign-in');
         }
         $session = new MessageFlash();
         $session->setFlashMessage('Vous êtes bien connecté !', 'success');
diff --git a/src/Controller/SignupController.php b/src/Controller/SignupController.php
index 8563aff..7fd7b50 100644
--- a/src/Controller/SignupController.php
+++ b/src/Controller/SignupController.php
@@ -36,8 +36,7 @@ public function signUp()
         $checkSignIn = new FormValidator();
 
         if (!$checkSignIn->checkSignUp($user)) {
-            header('Location: /Blog/sign-up');
-            exit();
+            return header('Location: /Blog/sign-up');
         }
         $session = new MessageFlash();
         $session->setFlashMessage('Votre compte a bien été créé ! Vous pouvez maintenant vous connecter', 'success');
diff --git a/src/Services/AccessValidator.php b/src/Services/AccessValidator.php
index d014748..dca8dd3 100644
--- a/src/Services/AccessValidator.php
+++ b/src/Services/AccessValidator.php
@@ -26,8 +26,7 @@ public function isValidAdmin(string $type = null): bool
     {
         if ($type != "Admin") {
             http_response_code(500);
-            $this->renderView('500.html.twig');
-            exit();
+            return $this->renderView('500.html.twig');
         }
         return true;
     }