1 files changed, 3 insertions, 0 deletions
diff --git a/modules/watermark/controllers/admin_watermarks.php b/modules/watermark/controllers/admin_watermarks.php
index 9c95d213..1abd0d10 100644
--- a/modules/watermark/controllers/admin_watermarks.php
+++ b/modules/watermark/controllers/admin_watermarks.php
@@ -38,6 +38,7 @@ class Admin_Watermarks_Controller extends Admin_Controller {
   }
 
   public function edit() {
+    rest::http_content_type(rest::JSON);
     $form = watermark::get_edit_form();
     if ($form->validate()) {
       $position = $form->edit_watermark->position->value;
@@ -61,6 +62,7 @@ class Admin_Watermarks_Controller extends Admin_Controller {
   }
 
   public function delete() {
+    rest::http_content_type(rest::JSON);
     $form = watermark::get_delete_form();
     if ($form->validate()) {
       if ($name = module::get_var("watermark", "name")) {
@@ -91,6 +93,7 @@ class Admin_Watermarks_Controller extends Admin_Controller {
   }
 
   public function add() {
+    rest::http_content_type(rest::JSON);
     $form = watermark::get_add_form();
     if ($form->validate()) {
       $file = $_POST["file"];