diff --git a/js/tinymce-integration.js b/js/tinymce-integration.js
index bdd1031..28481fb 100644
--- a/js/tinymce-integration.js
+++ b/js/tinymce-integration.js
@@ -92,7 +92,7 @@
           }
           // Override as noop-commands to prevent inline styles clutter on block
           // elements. That way indent/outdent are limited to list items.
-          if (format.editorSettings.backdrop && !format.editorSettings.backdrop.allowInlineStyle) {
+          if (!format.editorSettings.backdrop.allowInlineStyle) {
             editor.addCommand('indent', function () {});
             editor.addCommand('outdent', function () {});
           }
diff --git a/tinymce.module b/tinymce.module
index 1e356ef..b471b34 100644
--- a/tinymce.module
+++ b/tinymce.module
@@ -168,6 +168,7 @@ function _tinymce_js_settings($format, array $existing_settings) {
     if ($unregister) {
       $options['unregisterFmts'] = $unregister;
     }
+    $options['backdrop']['allowInlineStyle'] = FALSE;
   }
   else {
     $options['backdrop']['allowInlineStyle'] = TRUE;