diff --git a/app/admin.py b/app/admin.py
index 55538a8..3a72889 100644
--- a/app/admin.py
+++ b/app/admin.py
@@ -1021,7 +1021,7 @@ async def admin_actions_unpin(
 async def admin_actions_new(
     request: Request,
     files: list[UploadFile] = [],
-    content: str = Form(),
+    content: str | None = Form(None),
     redirect_url: str = Form(),
     in_reply_to: str | None = Form(None),
     content_warning: str | None = Form(None),
@@ -1032,6 +1032,19 @@ async def admin_actions_new(
     csrf_check: None = Depends(verify_csrf_token),
     db_session: AsyncSession = Depends(get_db_session),
 ) -> RedirectResponse:
+    if not content and not content_warning:
+        raise HTTPException(status_code=422, detail="Error: object must have a content")
+
+    # Do like Mastodon, if there's only a CW with no content and some attachments,
+    # swap the CW and the content
+    if not content and content_warning and len(files) >= 1:
+        content = content_warning
+        is_sensitive = True
+        content_warning = None
+
+    if not content:
+        raise HTTPException(status_code=422, detail="Error: objec must have a content")
+
     # XXX: for some reason, no files restuls in an empty single file
     uploads = []
     raw_form_data = await request.form()
diff --git a/app/templates/object.html b/app/templates/object.html
index 1d6e519..b6cfa28 100644
--- a/app/templates/object.html
+++ b/app/templates/object.html
@@ -3,7 +3,11 @@
 
 {% block head %}
 {% if outbox_object %}
-{% set excerpt = outbox_object.content | html2text | trim | truncate(50) %}
+{% if outbox_object.content %}
+    {% set excerpt = outbox_object.content | html2text | trim | truncate(50) %}
+{% else %}
+    {% set excerpt = outbox_object.summary | html2text | trim | truncate(50) %}
+{% endif %}
 <title>{% if outbox_object.name %}{{ outbox_object.name }}{% else %}{{ local_actor.display_name }}: "{{ excerpt }}"{% endif %}</title>
 <link rel="webmention" href="{{ url_for("webmention_endpoint") }}">
 <link rel="alternate" href="{{ request.url }}" type="application/activity+json">