diff --git a/hosting/templates/hosting/invoices.html b/hosting/templates/hosting/invoices.html
index 590d061d..073eb750 100644
--- a/hosting/templates/hosting/invoices.html
+++ b/hosting/templates/hosting/invoices.html
@@ -29,7 +29,7 @@
             {% for invoice in invoices %}
                 <tr>
                     <td class="xs-td-inline" data-header="{% trans 'Invoice Nr.' %}">{{ invoice.invoice_number }}</td>
-                    <td class="xs-td-inline" data-header="{% trans 'Period' %}">{{ invoice.period_start | date: 'Y-m-d' }} &mdash; {{ invoice.period_end | date: 'Y-m-d' }}</td>
+                    <td class="xs-td-inline" data-header="{% trans 'Period' %}">{{ invoice.period_start | date:'Y-m-d' }} &mdash; {{ invoice.period_end | date:'Y-m-d' }}</td>
                     <td class="xs-td-bighalf locale_date" data-header="{% trans 'Date' %}">{{ invoice.paid_at | date:'Y-m-d h:i a' }}</td>
                     <td class="xs-td-smallhalf" data-header="{% trans 'Amount' %}">{{ invoice.total_in_chf|floatformat:2|intcomma }}</td>
                     <td class="text-right last-td">