diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index ee5a9e181..b1800f3af 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -178,7 +178,7 @@ const draftKey = $computed((): string => {
 	} else if (props.reply) {
 		key += `reply:${props.reply.id}`;
 	} else {
-		key += 'note';
+		key += `note:${$i.id}`;
 	}
 
 	return key;