diff --git a/bookwyrm/migrations/0044_auto_20210207_1924.py b/bookwyrm/migrations/0044_auto_20210207_1924.py
index 84b17055..7289c73d 100644
--- a/bookwyrm/migrations/0044_auto_20210207_1924.py
+++ b/bookwyrm/migrations/0044_auto_20210207_1924.py
@@ -10,7 +10,10 @@ def set_user(app_registry, schema_editor):
     shelfbook = app_registry.get_model('bookwyrm', 'ShelfBook')
     for item in shelfbook.objects.using(db_alias).filter(user__isnull=True):
         item.user = item.shelf.user
-        item.save(broadcast=False)
+        try:
+            item.save(broadcast=False)
+        except TypeError:
+            item.save()
 
 
 class Migration(migrations.Migration):