diff --git a/mail_templates/beitrag.eml b/mail_templates/beitrag.eml
index 45063b5..105387d 100644
--- a/mail_templates/beitrag.eml
+++ b/mail_templates/beitrag.eml
@@ -8,7 +8,7 @@ Wir berechnen dir daher die folgenden Mitgliedsbeiträge:
 Wir werden dir daher die folgenden Mitgliedsbeiträge berechnen:
 {%- endif %}
 {% for line in invoice.lines %}
-{{ line.description.ljust(39) }} {{ (line.quantity|format_quantity).rjust(5) }} × {{ (line.unit_price|format_currency(currency=line.currency.code)).rjust(9) }} = {{ (line.amount|format_currency(currency=line.currency.code)).rjust(12) }}
+{% if line.description %}{{ line.description.ljust(39) }}{% elif line.product %}{{ line.product.name.ljust(39) }}{% else %}{{ " ".ljust(39) }}{% endif %} {{ (line.quantity|format_quantity).rjust(5) }} × {{ (line.unit_price|format_currency(currency=line.currency.code)).rjust(9) }} = {{ (line.amount|format_currency(currency=line.currency.code)).rjust(12) }}
 {%- endfor %}
 {{ "".ljust(72, '-') }}
 {{ "Summe".ljust(59) }} {{ (invoice.total_amount|format_currency).rjust(12) }}