diff --git a/core/modules/ckeditor5/js/ckeditor5.js b/core/modules/ckeditor5/js/ckeditor5.js
index 583c707fd9..a81904064f 100644
--- a/core/modules/ckeditor5/js/ckeditor5.js
+++ b/core/modules/ckeditor5/js/ckeditor5.js
@@ -371,8 +371,19 @@
       ClassicEditor.create(element, editorConfig)
         .then((editor) => {
           // Save a reference to the initialized instance.
-          Drupal.CKEditor5Instances.set(id, editor);
+          const toPx = function () {
+            const element = jQuery(
+              '<div style="display: none; font-size: 1.5em; margin: 0; padding:0; height: auto; line-height: 1; border:0;">&nbsp;</div>',
+            ).appendTo('body');
+            const height = element.height();
+            element.remove();
+            return height;
+          };
 
+          Drupal.CKEditor5Instances.set(id, editor);
+          const rows = editor.sourceElement.getAttribute('rows');
+          const heightNew = rows * toPx();
+          editor.ui.view.editable.element.style.minHeight = `${heightNew} px`;
           // CKEditor 4 had a feature to remove the required attribute
           // see: https://www.drupal.org/project/drupal/issues/1954968
           if (element.hasAttribute('required')) {