diff --git a/src/pretix/plugins/paypal/payment.py b/src/pretix/plugins/paypal/payment.py
index caea843c01..2c8eb82658 100644
--- a/src/pretix/plugins/paypal/payment.py
+++ b/src/pretix/plugins/paypal/payment.py
@@ -111,7 +111,6 @@ class Paypal(BasePaymentProvider):
                 ('client_id',
                  forms.CharField(
                      label=_('Client ID'),
-                     max_length=80,
                      min_length=80,
                      help_text=format_html(
                          '<a target="_blank" rel="noopener" href="{docs_url}">{text}</a>',