diff --git a/core/modules/ckeditor5/ckeditor5.module b/core/modules/ckeditor5/ckeditor5.module
index f9ac42891c..a09014c719 100644
--- a/core/modules/ckeditor5/ckeditor5.module
+++ b/core/modules/ckeditor5/ckeditor5.module
@@ -655,7 +655,7 @@ function _ckeditor5_theme_css($theme = NULL): array {
  * Implements hook_entity_presave().
  */
 function ckeditor5_entity_presave(EntityInterface $entity) {
-  if ($entity instanceof Editor) {
+  if ($entity instanceof Editor && $entity->getEditor() === 'ckeditor5') {
     $settings = $entity->getSettings();
     if (in_array('codeBlock', $settings['toolbar']['items'], TRUE) && !isset($settings['plugins']['ckeditor5_codeBlock'])) {
       // @see \Drupal\ckeditor5\Plugin\CKEditor5Plugin\CodeBlock::defaultConfiguration()