diff --git a/packages/panel/src/components/Panel.svelte b/packages/panel/src/components/Panel.svelte
index 4525bacf33..97e045d0d1 100644
--- a/packages/panel/src/components/Panel.svelte
+++ b/packages/panel/src/components/Panel.svelte
@@ -43,6 +43,7 @@
   function onMessage(event: CustomEvent) {
     client.createDoc(chunter.class.Comment, object.space, {
       attachedTo: object._id,
+      attachedToClass: object._class,
       message: event.detail
     })
     console.log(event.detail)