diff --git editors/ckeditor.inc editors/ckeditor.inc
index 2e10346..8e24b8e 100644
--- editors/ckeditor.inc
+++ editors/ckeditor.inc
@@ -314,6 +314,7 @@ function wysiwyg_ckeditor_plugins($editor) {
         'SelectAll' => t('Select all'), 'Find' => t('Search'), 'Replace' => t('Replace'),
         'Flash' => t('Flash'), 'Smiley' => t('Smiley'),
         'CreateDiv' => t('Div container'),
+        'Iframe' => t('iFrame'),
         'Maximize' => t('Maximize'),
         'SpellChecker' => t('Check spelling'), 'Scayt' => t('Check spelling as you type'),
         'About' => t('About'),
@@ -325,6 +326,9 @@ function wysiwyg_ckeditor_plugins($editor) {
   if (version_compare($editor['installed version'], '3.1.0.4885', '<')) {
     unset($plugins['default']['buttons']['CreateDiv']);
   }
+  if (version_compare($editor['installed version'], '3.5.0.6260', '<')) {
+    unset($plugins['default']['buttons']['Iframe']);
+  }
   return $plugins;
 }