diff --git a/oml/item/api.py b/oml/item/api.py
index f90a576..76de807 100644
--- a/oml/item/api.py
+++ b/oml/item/api.py
@@ -324,9 +324,10 @@ def cancelDownloads(data):
     if ids:
         for item in models.Item.query.filter(models.Item.id.in_(ids)):
             t = models.Transfer.get(item.id)
-            t.progress = None
-            t.added = None
-            t.save()
+            if t:
+                t.progress = None
+                t.added = None
+                t.save()
             p = state.user()
             if p in item.users:
                 item.users.remove(p)