diff --git a/tasks/apache.yml b/tasks/apache.yml
index 02d3121..862497c 100644
--- a/tasks/apache.yml
+++ b/tasks/apache.yml
@@ -21,3 +21,4 @@
     src: apache_alias.j2
     dest: "/etc/apache2/conf-available/{{ instance.domain }}.alias.conf"
   notify: reload apache
+  when: instance.alias is defined