diff --git a/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt b/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt
index 7b336861a01424b53b38e6011f3962118e7c750e..e5fa82a8d20da77e149eaefe7f3607000f8808e7 100644
--- a/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt
+++ b/pinaxcon/templates/registrasion/emails/invoice_created/subject.txt
@@ -1 +1 @@
-{% load i18n %}{% blocktrans %}Invoice {{invoice.id}} from (CONFERENCE_COMPANY){% endblocktrans %}
+{% load i18n %}Invoice {{ invoice.id }} from (CONFERENCE_COMPANY)