diff --git a/bookwyrm/connectors/connector_manager.py b/bookwyrm/connectors/connector_manager.py
index bf3c749d..53198c0a 100644
--- a/bookwyrm/connectors/connector_manager.py
+++ b/bookwyrm/connectors/connector_manager.py
@@ -40,8 +40,9 @@ def search(query, min_confidence=0.1):
             else:
                 try:
                     result_set = connector.isbn_search(isbn)
-                except (HTTPError, ConnectorException):
-                    pass
+                except Exception as e:  # pylint: disable=broad-except
+                    logger.exception(e)
+                    continue
 
         # if no isbn search or results, we fallback to generic search
         if result_set in (None, []):
diff --git a/bookwyrm/models/activitypub_mixin.py b/bookwyrm/models/activitypub_mixin.py
index 1c4a274c..8dce42e4 100644
--- a/bookwyrm/models/activitypub_mixin.py
+++ b/bookwyrm/models/activitypub_mixin.py
@@ -385,7 +385,7 @@ class CollectionItemMixin(ActivitypubMixin):
         object_field = getattr(self, self.object_field)
         collection_field = getattr(self, self.collection_field)
         return activitypub.Add(
-            id=self.remote_id,
+            id=self.get_remote_id(),
             actor=self.user.remote_id,
             object=object_field,
             target=collection_field.remote_id,
@@ -396,7 +396,7 @@ class CollectionItemMixin(ActivitypubMixin):
         object_field = getattr(self, self.object_field)
         collection_field = getattr(self, self.collection_field)
         return activitypub.Remove(
-            id=self.remote_id,
+            id=self.get_remote_id(),
             actor=self.user.remote_id,
             object=object_field,
             target=collection_field.remote_id,