diff --git a/lib/RoadizCoreBundle/src/Security/Authorization/AccessDeniedHandler.php b/lib/RoadizCoreBundle/src/Security/Authorization/AccessDeniedHandler.php
index adf23d44..ff05c9e3 100644
--- a/lib/RoadizCoreBundle/src/Security/Authorization/AccessDeniedHandler.php
+++ b/lib/RoadizCoreBundle/src/Security/Authorization/AccessDeniedHandler.php
@@ -44,7 +44,7 @@ public function __construct(
     }
 
     /**
-     * Handles an access denied failure redirecting to home page
+     * Handles access denied failure redirecting to home page
      *
      * @param Request $request
      * @param AccessDeniedException $accessDeniedException
diff --git a/lib/Rozier/src/Controllers/Nodes/NodesAttributesController.php b/lib/Rozier/src/Controllers/Nodes/NodesAttributesController.php
index aed3ef6b..1e6688d7 100644
--- a/lib/Rozier/src/Controllers/Nodes/NodesAttributesController.php
+++ b/lib/Rozier/src/Controllers/Nodes/NodesAttributesController.php
@@ -71,6 +71,14 @@ public function editAction(Request $request, int $nodeId, int $translationId): R
             return $response;
         }
 
+        $isJson =
+            $request->isXmlHttpRequest() ||
+            $request->getRequestFormat('html') === 'json' ||
+            \in_array(
+                'application/json',
+                $request->getAcceptableContentTypes()
+            );
+
         $this->assignation['attribute_value_translation_forms'] = [];
         $attributeValues = $node->getAttributeValues();
         /** @var AttributeValue $attributeValue */
@@ -108,7 +116,7 @@ public function editAction(Request $request, int $nodeId, int $translationId): R
                     );
                     $this->publishConfirmMessage($request, $msg, $nodeSource);
 
-                    if ($request->isXmlHttpRequest() || $request->getRequestFormat('html') === 'json') {
+                    if ($isJson) {
                         return new JsonResponse([
                             'status' => 'success',
                             'message' => $msg,
@@ -123,7 +131,7 @@ public function editAction(Request $request, int $nodeId, int $translationId): R
                     /*
                      * Handle errors when Ajax POST requests
                      */
-                    if ($request->isXmlHttpRequest() || $request->getRequestFormat('html') === 'json') {
+                    if ($isJson) {
                         return new JsonResponse([
                             'status' => 'fail',
                             'errors' => $errors,
diff --git a/lib/Rozier/src/Controllers/Tags/TagsController.php b/lib/Rozier/src/Controllers/Tags/TagsController.php
index 10baa025..a32b2daa 100644
--- a/lib/Rozier/src/Controllers/Tags/TagsController.php
+++ b/lib/Rozier/src/Controllers/Tags/TagsController.php
@@ -380,6 +380,10 @@ public function editSettingsAction(Request $request, int $tagId): Response
         ]);
 
         $form->handleRequest($request);
+        $isJsonRequest =
+            $request->isXmlHttpRequest() ||
+            \in_array('application/json', $request->getAcceptableContentTypes())
+        ;
 
         if ($form->isSubmitted()) {
             if ($form->isValid()) {
@@ -403,7 +407,7 @@ public function editSettingsAction(Request $request, int $tagId): Response
             /*
              * Handle errors when Ajax POST requests
              */
-            if ($request->isXmlHttpRequest()) {
+            if ($isJsonRequest) {
                 $errors = $this->getErrorsAsArray($form);
                 return new JsonResponse([
                     'status' => 'fail',