diff --git a/src/pretix/plugins/banktransfer/views.py b/src/pretix/plugins/banktransfer/views.py
index eeaf69267..1431191a5 100644
--- a/src/pretix/plugins/banktransfer/views.py
+++ b/src/pretix/plugins/banktransfer/views.py
@@ -73,7 +73,9 @@ from pretix.plugins.banktransfer.payment import BankTransfer
 from pretix.plugins.banktransfer.refund_export import (
     build_sepa_xml, get_refund_export_csv,
 )
-from pretix.plugins.banktransfer.tasks import process_banktransfers
+from pretix.plugins.banktransfer.tasks import (
+    notify_incomplete_payment, process_banktransfers,
+)
 
 logger = logging.getLogger('pretix.plugins.banktransfer')
 
@@ -165,6 +167,11 @@ class ActionView(View):
             provider='banktransfer',
             state__in=(OrderPayment.PAYMENT_STATE_CREATED, OrderPayment.PAYMENT_STATE_PENDING),
         ).update(state=OrderPayment.PAYMENT_STATE_CANCELED)
+
+        trans.order.refresh_from_db()
+        if trans.order.pending_sum > Decimal('0.00') and trans.order.status == Order.STATUS_PENDING:
+            notify_incomplete_payment(trans.order)
+
         return JsonResponse({
             'status': 'ok',
         })
diff --git a/src/tests/plugins/banktransfer/test_actions.py b/src/tests/plugins/banktransfer/test_actions.py
index 3c79aed70..fc9cfc164 100644
--- a/src/tests/plugins/banktransfer/test_actions.py
+++ b/src/tests/plugins/banktransfer/test_actions.py
@@ -50,6 +50,7 @@ def env():
         datetime=now(), expires=now() + timedelta(days=10),
         total=23,
         sales_channel=o.sales_channels.get(identifier="web"),
+        email='dummy@dummy.dummy'
     )
     o2 = Order.objects.create(
         code='6789Z', event=event,
@@ -129,7 +130,7 @@ def test_assign_order_unknown(env, client):
 
 
 @pytest.mark.django_db
-def test_assign_order_amount_incorrect(env, client):
+def test_assign_order_amount_incorrect(env, client, mailoutbox):
     job = BankImportJob.objects.create(event=env[0])
     trans = BankTransaction.objects.create(event=env[0], import_job=job, payer='Foo',
                                            state=BankTransaction.STATE_NOMATCH,
@@ -141,6 +142,7 @@ def test_assign_order_amount_incorrect(env, client):
     assert r['status'] == 'ok'
     trans.refresh_from_db()
     assert trans.state == BankTransaction.STATE_VALID
+    assert len(mailoutbox) == 1
 
 
 @pytest.mark.django_db