diff --git a/manifests/icinga2/objects/notifications.pp b/manifests/icinga2/objects/notifications.pp
index 04267b4..365fad3 100644
--- a/manifests/icinga2/objects/notifications.pp
+++ b/manifests/icinga2/objects/notifications.pp
@@ -1,19 +1,19 @@
 # Icinga2 notifications
 class profile::icinga2::objects::notifications {
   $notification_file = '/etc/icinga2/conf.d/notifications.conf'
 
   $means = 'irc'
 
   each(['host', 'service']) |$type| {
     $apply_target = "${type[0].upcase}${type[1,-1]}"
     ::icinga2::object::notification {"${means}-notify-all-${type}s":
       import       => ["${means}-${type}-notification"],
       apply        => true,
       apply_target => $apply_target,
       assign       => [true],
       users        => ['root'],
       target       => $notification_file,
-      interval     => '12 hours',
+      interval     => '12h',
     }
   }
 }