diff --git a/finance/views.py b/finance/views.py
index 9b99799..d43b591 100644
--- a/finance/views.py
+++ b/finance/views.py
@@ -77,7 +77,7 @@ class BillListView(APIView):
                         % (
                             invoice.bill.opener.get_full_name(),
                             invoice.bill.user.email,
-                            Course.objects.get(invoice.bill.course_token).title,
+                            Course.objects.get(token=invoice.bill.course_token).title,
                         ),
                         'robo@skillbox.ru',
                         [invoice.bill.opener.email],