diff --git a/app/boxes.py b/app/boxes.py
index 00260e8..1edb24a 100644
--- a/app/boxes.py
+++ b/app/boxes.py
@@ -90,18 +90,25 @@ async def save_incoming(
 
 async def process_incoming(
         db_session: AsyncSession,
-        ap_object: dict,
+        ap_object: dict[str, Any],
 ) -> bool:
     actor = await fetch_actor(db_session, ap_object["actor"])
 
     relates_to_inbox_object = None
     relates_to_outbox_object = None
 
-    if ap_object["object"].startswith(BASE_URL):
-        relates_to_outbox_object = await get_outbox_object(
-            db_session,
-            ap_object["object"],
-        )
+    if isinstance(ap_object["object"], dict):
+        if ap_object["object"]["id"].startswith(BASE_URL):
+            relates_to_outbox_object = await get_outbox_object(
+                db_session,
+                ap_object["object"]["id"],
+            )
+    else:
+        if ap_object["object"].startswith(BASE_URL):
+            relates_to_outbox_object = await get_outbox_object(
+                db_session,
+                ap_object["object"],
+            )
 
     def build_object(
             object,