diff --git a/django/contrib/admin/templates/registration/password_reset_email.html b/django/contrib/admin/templates/registration/password_reset_email.html
index b7f31e484c..f765dd0670 100644
--- a/django/contrib/admin/templates/registration/password_reset_email.html
+++ b/django/contrib/admin/templates/registration/password_reset_email.html
@@ -1,6 +1,6 @@
 {% load i18n %}
 {% trans "You're receiving this e-mail because you requested a password reset" %}
-{% trans "for your user account at %(site_name)s" %}.
+{% blocktrans %}for your user account at {{ site_name }}{% endblocktrans %}.
 
 {% blocktrans %}Your new password is: {{ new_password }}{% endblocktrans %}