diff --git a/src/pretix/base/models/orders.py b/src/pretix/base/models/orders.py
index 7e26c6fe06..cc8c34c720 100644
--- a/src/pretix/base/models/orders.py
+++ b/src/pretix/base/models/orders.py
@@ -1698,7 +1698,7 @@ class OrderPayment(models.Model):
         })
 
         if self.order.pending_sum + r.amount == Decimal('0.00'):
-            self.refund.done()
+            r.done()
 
         return r