From b7f93518d0cda16d0d6867aa5cdeea74072ceada Mon Sep 17 00:00:00 2001
From: Philipp Dieter <philipp.dieter@attic-media.de>
Date: Mon, 19 Oct 2020 22:50:47 +0200
Subject: [PATCH] [BUGFIX] Setting content type for pagetype 5000

---
 Classes/Controller/ActionController.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Classes/Controller/ActionController.php b/Classes/Controller/ActionController.php
index 301daaa..02a78e6 100644
--- a/Classes/Controller/ActionController.php
+++ b/Classes/Controller/ActionController.php
@@ -662,10 +662,9 @@ class ActionController extends BaseController
             } else {
                 $this->response->setStatus($this->responseStatus);
             }
-            $this->response->setHeader(
-                'Content-type',
-                'application/json'
-            );
+            if ($this->pageType == $this->ajaxPageType) {
+                $GLOBALS['TSFE']->setContentType('application/json');
+            }
             unset($result['data']);
             if ($this->redirect) {
                 $result['redirect'] = $this->redirect;