diff --git a/app/assets/javascripts/sitewide/file_preview.js.erb b/app/assets/javascripts/sitewide/file_preview.js.erb
index f4775dfc9..eb998e8f9 100644
--- a/app/assets/javascripts/sitewide/file_preview.js.erb
+++ b/app/assets/javascripts/sitewide/file_preview.js.erb
@@ -135,15 +135,17 @@
     $('.tui-image-editor-header').hide();
 
     $('.file-save-link').off().click(function(ev) {
+      var dataUpload = new FormData();
       ev.preventDefault();
       ev.stopPropagation();
+      dataUpload.append('image', imageEditor.toDataURL());
       animateSpinner(null, true);
       $.ajax({
         type: 'POST',
         url: '/files/' + data.id + '/update_image',
-        data: {
-          image: imageEditor.toDataURL()
-        },
+        data: dataUpload,
+        contentType: false,
+        processData: false,
         success: function(res) {
           $('#modal_link' + data.id).parent().html(res.html);
           setupAssetsLoading();
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
index 4a994e1e7..ec91e2ccf 100644
--- a/config/initializers/filter_parameter_logging.rb
+++ b/config/initializers/filter_parameter_logging.rb
@@ -1,4 +1,4 @@
 # Be sure to restart your server when you modify this file.
 
 # Configure sensitive parameters which will be filtered from the log file.
-Rails.application.config.filter_parameters += [:password]
+Rails.application.config.filter_parameters += %i(password image)