diff --git a/html/includes/forms/add-dashboard.inc.php b/html/includes/forms/add-dashboard.inc.php
index e34993a6e..109afc698 100644
--- a/html/includes/forms/add-dashboard.inc.php
+++ b/html/includes/forms/add-dashboard.inc.php
@@ -21,6 +21,7 @@
  * @package LibreNMS
  * @subpackage Dashboards
  */
+header('Content-type: application/json');
 
 $status    = 'error';
 $message   = 'unknown error';
diff --git a/html/includes/forms/config-item-disable.inc.php b/html/includes/forms/config-item-disable.inc.php
index a3475049f..5d44e5f6c 100644
--- a/html/includes/forms/config-item-disable.inc.php
+++ b/html/includes/forms/config-item-disable.inc.php
@@ -11,6 +11,7 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
  */
+header('Content-type: text/plain');
 
 // FUA
 
diff --git a/html/includes/forms/config-item-update.inc.php b/html/includes/forms/config-item-update.inc.php
index 6f7b40e4e..948daaf45 100644
--- a/html/includes/forms/config-item-update.inc.php
+++ b/html/includes/forms/config-item-update.inc.php
@@ -11,6 +11,7 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
  */
+header('Content-type: text/plain');
 
 // FUA
 
diff --git a/html/includes/forms/config-item.inc.php b/html/includes/forms/config-item.inc.php
index 12fd3c436..f1b6b5d5c 100644
--- a/html/includes/forms/config-item.inc.php
+++ b/html/includes/forms/config-item.inc.php
@@ -11,6 +11,7 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
  */
+header('Content-type: application/json');
 
 if (is_admin() === false) {
     $response = array(
diff --git a/html/includes/forms/delete-dashboard.inc.php b/html/includes/forms/delete-dashboard.inc.php
index 2874dec6e..b70b0baf1 100644
--- a/html/includes/forms/delete-dashboard.inc.php
+++ b/html/includes/forms/delete-dashboard.inc.php
@@ -21,6 +21,7 @@
  * @package LibreNMS
  * @subpackage Dashboards
  */
+header('Content-type: application/json');
 
 $status    = 'error';
 $message   = 'unknown error';
diff --git a/html/includes/forms/edit-dashboard.inc.php b/html/includes/forms/edit-dashboard.inc.php
index fe9d9c527..95c06f853 100644
--- a/html/includes/forms/edit-dashboard.inc.php
+++ b/html/includes/forms/edit-dashboard.inc.php
@@ -21,6 +21,7 @@
  * @package LibreNMS
  * @subpackage Dashboards
  */
+header('Content-type: application/json');
 
 $status    = 'error';
 $message   = 'unknown error';
diff --git a/html/includes/forms/override-config.inc.php b/html/includes/forms/override-config.inc.php
index 6004710dc..d12de54c7 100644
--- a/html/includes/forms/override-config.inc.php
+++ b/html/includes/forms/override-config.inc.php
@@ -11,6 +11,7 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
 */
+header('Content-type: application/json');
 
 if (is_admin() === false) {
     $response = array(
diff --git a/html/includes/forms/update-config-item.inc.php b/html/includes/forms/update-config-item.inc.php
index dff681ceb..2885a2a71 100644
--- a/html/includes/forms/update-config-item.inc.php
+++ b/html/includes/forms/update-config-item.inc.php
@@ -11,6 +11,7 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
  */
+header('Content-type: application/json');
 
 if (is_admin() === false) {
     die('ERROR: You need to be admin');
diff --git a/html/includes/forms/update-dashboard-config.inc.php b/html/includes/forms/update-dashboard-config.inc.php
index e9bdb23db..69dd2e673 100644
--- a/html/includes/forms/update-dashboard-config.inc.php
+++ b/html/includes/forms/update-dashboard-config.inc.php
@@ -1,4 +1,5 @@
 <?php
+header('Content-type: application/json');
 
 $status  = 'error';
 $message = 'Error updating user dashboard config';