diff --git a/elections/utils.py b/elections/utils.py
index 7cf2e47..b2e3f05 100644
--- a/elections/utils.py
+++ b/elections/utils.py
@@ -189,7 +189,7 @@ def send_mail(election, mail_form):
                 body=mail_form.cleaned_data["message"].format(
                     full_name=v.full_name,
                     election_url=url,
-                    username=v.get_username,
+                    username=v.get_username(),
                     password=password,
                 ),
                 to=[v.email],