diff --git a/src/pretix/plugins/paypal/payment.py b/src/pretix/plugins/paypal/payment.py
index ddca2c1bfa..b415b1b4e9 100644
--- a/src/pretix/plugins/paypal/payment.py
+++ b/src/pretix/plugins/paypal/payment.py
@@ -256,7 +256,7 @@ class Paypal(BasePaymentProvider):
                 }
             ]
         })
-        request.session['payment_paypal_order'] = None
+        request.session['payment_paypal_payment'] = None
         return self._create_payment(request, payment)
 
     def format_price(self, value):