diff --git a/src/pretix/plugins/paypal/payment.py b/src/pretix/plugins/paypal/payment.py
index 67392ec15f..3d9cf86a1d 100644
--- a/src/pretix/plugins/paypal/payment.py
+++ b/src/pretix/plugins/paypal/payment.py
@@ -156,6 +156,7 @@ class Paypal(BasePaymentProvider):
         )
 
         d.move_to_end('prefix')
+        d.move_to_end('postfix')
         d.move_to_end('_enabled', False)
         return d