diff --git wysiwyg.module wysiwyg.module
index 6bb31f5..7c43c1e 100644
--- wysiwyg.module
+++ wysiwyg.module
@@ -111,7 +111,7 @@ function wysiwyg_element_info_alter(&$types) {
 function wysiwyg_pre_render_text_format($element) {
   // filter_process_format() copies properties to the expanded 'value' child
   // element.
-  if (!isset($element['format'])) {
+  if (!isset($element['format']) || !empty($element['value']['#disabled'])) {
     return $element;
   }