diff --git a/roles/munin/tasks/apache.yml b/roles/munin/tasks/apache.yml
index f77cebc13..757ddddaf 100644
--- a/roles/munin/tasks/apache.yml
+++ b/roles/munin/tasks/apache.yml
@@ -1,6 +1,6 @@
 - name: Enable http://box/munin via Apache
   command: a2ensite munin24.conf
-  when: munin_enabled
+  when: munin_enabled | bool
 
 - name: Disable http://box/munin via Apache
   command: a2dissite munin24.conf