diff --git a/tasks/letsencrypt.yml b/tasks/letsencrypt.yml
index efbbaf2..aef9cab 100755
--- a/tasks/letsencrypt.yml
+++ b/tasks/letsencrypt.yml
@@ -33,7 +33,7 @@
     cmd: |
       certbot
       --nginx
-      -d {% if cert_domain is not string and cert_domain is iterable %}{{ cert_domain | join(',') }}{% else %}{{ cert_domain }}{% endif %}
+      -d {{ cert_domain | join(',') if (cert_domain is not string and cert_domain is iterable) else cert_domain }}
       -m {{ letsencrypt_mail_address }}
       --agree-tos
       --noninteractive