From 002ff38fba0fa2a347a118c429f02913bbe03061 Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Wed, 23 Dec 2020 17:46:39 +0100
Subject: [PATCH] Fix crash in add-on form (PRETIXEU-3GV)

---
 src/pretix/presale/checkoutflow.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pretix/presale/checkoutflow.py b/src/pretix/presale/checkoutflow.py
index 06ce274303..1514146592 100644
--- a/src/pretix/presale/checkoutflow.py
+++ b/src/pretix/presale/checkoutflow.py
@@ -273,7 +273,7 @@ class AddOnsStep(CartMixin, AsyncAction, TemplateFlowStep):
                                     net=a.price - a.tax_value,
                                     gross=a.price,
                                     tax=a.tax_value,
-                                    name=a.item.tax_rule.name,
+                                    name=a.item.tax_rule.name if a.item.tax_rule else "",
                                     rate=a.tax_rate,
                                 )
                             else: