diff --git a/roles/ldap/server/tasks/main.yml b/roles/ldap/server/tasks/main.yml
index 2f08ab1..0232f0b 100644
--- a/roles/ldap/server/tasks/main.yml
+++ b/roles/ldap/server/tasks/main.yml
@@ -58,8 +58,8 @@
       cron:
         name: ldap-backup
         job: /usr/local/sbin/ldap-backup
-        hour: 0
-        minute: 10
+        hour: "0"
+        minute: "10"
         user: ldap
 
     - name: copy spn helper script