diff --git a/src/pretix/plugins/stripe/views.py b/src/pretix/plugins/stripe/views.py
index 6cc42266d4..a152775b0b 100644
--- a/src/pretix/plugins/stripe/views.py
+++ b/src/pretix/plugins/stripe/views.py
@@ -269,14 +269,14 @@ def charge_webhook(event, event_json, charge_id, rso):
         except Quota.QuotaExceededException:
             pass
     elif charge['status'] == 'failed' and payment.state in (OrderPayment.PAYMENT_STATE_PENDING, OrderPayment.PAYMENT_STATE_CREATED):
-            payment.info = str(charge)
-            payment.state = OrderPayment.PAYMENT_STATE_FAILED
-            payment.save()
-            payment.order.log_action('pretix.event.order.payment.failed', {
-                'local_id': payment.local_id,
-                'provider': payment.provider,
-                'info': str(charge)
-            })
+        payment.info = str(charge)
+        payment.state = OrderPayment.PAYMENT_STATE_FAILED
+        payment.save()
+        payment.order.log_action('pretix.event.order.payment.failed', {
+            'local_id': payment.local_id,
+            'provider': payment.provider,
+            'info': str(charge)
+        })
 
     return HttpResponse(status=200)
 
diff --git a/src/setup.cfg b/src/setup.cfg
index 44ac422713..dcdc749f22 100644
--- a/src/setup.cfg
+++ b/src/setup.cfg
@@ -1,5 +1,5 @@
 [flake8]
-ignore = N802,W503,E402,C901,E722,W504,E252
+ignore = N802,W503,E402,C901,E722,W504,E252,N812
 max-line-length = 160
 exclude = migrations,.ropeproject,static,mt940.py,_static,build,make_testdata.py,*/testutils/settings.py,tests/settings.py,pretix/base/models/__init__.py
 max-complexity = 11