diff --git a/bookwyrm/connectors/inventaire.py b/bookwyrm/connectors/inventaire.py
index e180dc62..e9f53856 100644
--- a/bookwyrm/connectors/inventaire.py
+++ b/bookwyrm/connectors/inventaire.py
@@ -67,7 +67,7 @@ class Connector(AbstractConnector):
         extracted = list(data.get("entities").values())
         try:
             data = extracted[0]
-        except KeyError:
+        except (KeyError, IndexError):
             raise ConnectorException("Invalid book data")
         # flatten the data so that images, uri, and claims are on the same level
         return {
diff --git a/bookwyrm/tests/connectors/test_inventaire_connector.py b/bookwyrm/tests/connectors/test_inventaire_connector.py
index 6536bae7..65325d02 100644
--- a/bookwyrm/tests/connectors/test_inventaire_connector.py
+++ b/bookwyrm/tests/connectors/test_inventaire_connector.py
@@ -269,10 +269,14 @@ class Inventaire(TestCase):
             responses.GET,
             "https://inventaire.io/?action=by-uris&uris=hello",
         )
-        data = {"wdt:P629": "hello"}
-        self.connector.get_work_from_edition_data(data)
+        data = {"wdt:P629": ["hello"]}
+        with patch("bookwyrm.connectors.inventaire.Connector.get_book_data") as mock:
+            self.connector.get_work_from_edition_data(data)
+        self.assertEqual(mock.call_count, 1)
+        args = mock.call_args[0]
+        self.assertEqual(args[0], "https://inventaire.io?action=by-uris&uris=hello")
 
-        data = {"wdt:P629": None}
+        data = {"wdt:P629": [None]}
         with self.assertRaises(ConnectorException):
             self.connector.get_work_from_edition_data(data)