diff --git a/ghost/admin/app/components/koenig-lexical-editor.js b/ghost/admin/app/components/koenig-lexical-editor.js
index 8d57e35c4b..ffd548bb7d 100644
--- a/ghost/admin/app/components/koenig-lexical-editor.js
+++ b/ghost/admin/app/components/koenig-lexical-editor.js
@@ -680,7 +680,7 @@ export default class KoenigLexicalEditor extends Component {
 
         const KGEditorComponent = ({isInitInstance}) => {
             return (
-                <div style={isInitInstance ? {width: 0, height: 0, overflow: 'hidden'} : {}}>
+                <div data-secondary-instance={isInitInstance ? true : false} style={isInitInstance ? {width: 0, height: 0, overflow: 'hidden'} : {}}>
                     <KoenigComposer
                         editorResource={this.editorResource}
                         cardConfig={cardConfig}