diff --git a/packages/ckeditor5-html-embed/src/htmlembedediting.js b/packages/ckeditor5-html-embed/src/htmlembedediting.js
index 5b34517f929..83151e4d25e 100644
--- a/packages/ckeditor5-html-embed/src/htmlembedediting.js
+++ b/packages/ckeditor5-html-embed/src/htmlembedediting.js
@@ -333,7 +333,7 @@ export default class HtmlEmbedEditing extends Plugin {
 				t( 'Empty snippet content' );
 
 			const domPreviewPlaceholder = createElement( domDocument, 'div', {
-				class: 'raw-html-embed__preview-placeholder ck ck-reset_all'
+				class: 'ck ck-reset_all raw-html-embed__preview-placeholder'
 			}, placeholderText );
 
 			const domPreviewContent = createElement( domDocument, 'div', {