diff --git a/ghost/admin/lib/koenig-editor/addon/templates/components/koenig-editor.hbs b/ghost/admin/lib/koenig-editor/addon/templates/components/koenig-editor.hbs
index de321a042f..4032d34c4f 100644
--- a/ghost/admin/lib/koenig-editor/addon/templates/components/koenig-editor.hbs
+++ b/ghost/admin/lib/koenig-editor/addon/templates/components/koenig-editor.hbs
@@ -1,5 +1,5 @@
 <div class="koenig-editor__editor-wrapper" data-kg="editor-wrapper">
-    <div class="koenig-editor__editor" data-kg="editor"></div>
+    <div class="koenig-editor__editor" data-gramm="false" data-kg="editor"></div>
 </div>
 
 {{!-- pop-up markup toolbar is shown when there's a selection --}}