diff --git a/core/modules/ckeditor5/css/editor.css b/core/modules/ckeditor5/css/editor.css
index bac24a8608..969a0a9537 100644
--- a/core/modules/ckeditor5/css/editor.css
+++ b/core/modules/ckeditor5/css/editor.css
@@ -16,6 +16,6 @@
  * JavaScript. We add that there because the `.ck-editor__editable` element's
  * inline styles are cleared on focus.
  */
-.ck-editor__editable {
+.ck-editor__main > :is(.ck-editor__editable, .ck-source-editing-area) {
   min-height: var(--ck-min-height);
 }