diff --git a/templates/registration/activation_email_subject.txt b/templates/registration/activation_email_subject.txt
index 2237d0a8..1f707f9e 100644
--- a/templates/registration/activation_email_subject.txt
+++ b/templates/registration/activation_email_subject.txt
@@ -1 +1 @@
-{{ user }} activation required
\ No newline at end of file
+{{ user|safe }} activation required