diff --git a/src/pretix/base/payment.py b/src/pretix/base/payment.py
index 6412833aa7..135216aa46 100644
--- a/src/pretix/base/payment.py
+++ b/src/pretix/base/payment.py
@@ -1030,7 +1030,7 @@ class BasePaymentProvider:
         """
 
         if payment.state == OrderPayment.PAYMENT_STATE_PENDING:
-            if self.abort_pending_allowed and self.abort_pending_payment_allowed(payment):
+            if not (self.abort_pending_allowed and self.abort_pending_payment_allowed(payment)):
                 raise PaymentException(_(
                     "This payment is already being processed and can not be canceled any more."
                 ))