diff --git a/modules/openstack_project/manifests/puppetmaster.pp b/modules/openstack_project/manifests/puppetmaster.pp
index 0cf515ef6d..27b760909c 100644
--- a/modules/openstack_project/manifests/puppetmaster.pp
+++ b/modules/openstack_project/manifests/puppetmaster.pp
@@ -7,6 +7,12 @@ class openstack_project::puppetmaster (
   $root_rsa_key = 'xxx',
   $puppetdb = true,
   $puppetdb_server = 'puppetdb.openstack.org',
+  $puppetmaster_update_cron_interval = { min     => '*/15',
+                                         hour    => '*',
+                                         day     => '*',
+                                         month   => '*',
+                                         weekday => '*',
+                                       },
 ) {
   include logrotate
   include openstack_project::params
@@ -25,7 +31,11 @@ class openstack_project::puppetmaster (
 
   cron { 'updatepuppetmaster':
     user        => 'root',
-    minute      => '*/15',
+    minute      => $puppetmaster_update_cron_interval[min],
+    hour        => $puppetmaster_update_cron_interval[hour],
+    monthday    => $puppetmaster_update_cron_interval[day],
+    month       => $puppetmaster_update_cron_interval[month],
+    weekday     => $puppetmaster_update_cron_interval[weekday],
     command     => 'flock -n /var/run/puppet/puppet_run_all.lock bash /opt/system-config/production/run_all.sh',
     environment => 'PATH=/var/lib/gems/1.8/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin',
   }