--- a/dev/provisioning/modules/mysql/manifests/backup/xtrabackup.pp	Fri Apr 08 17:50:49 2016 +0200
+++ b/dev/provisioning/modules/mysql/manifests/backup/xtrabackup.pp	Fri Apr 08 17:53:56 2016 +0200
@@ -32,7 +32,7 @@
     user    => 'root',
     hour    => $time[0],
     minute  => $time[1],
-    weekday => 0,
+    weekday => '0',
     require => Package['percona-xtrabackup'],
   }
 
@@ -42,7 +42,7 @@
     user    => 'root',
     hour    => $time[0],
     minute  => $time[1],
-    weekday => 1-6,
+    weekday => '1-6',
     require => Package['percona-xtrabackup'],
   }