diff --git a/redmine/defaults/main.yml b/redmine/defaults/main.yml
index 6dd83ce1..08f2c3ab 100644
--- a/redmine/defaults/main.yml
+++ b/redmine/defaults/main.yml
@@ -14,6 +14,8 @@ redmine_db_host: localhost
 redmine_inst_dir: redmine
 redmine_user: redmine
 redmine_group: redmine
+# Minutes, from 1 to 60
+redmine_ldap_sync_freq: 10
 
 redmine_glob_user: www-data
 redmine_glob_group: www-data
diff --git a/redmine/templates/redmine-ldap-sync.cron.j2 b/redmine/templates/redmine-ldap-sync.cron.j2
index 1f43da7b..3053e5b8 100644
--- a/redmine/templates/redmine-ldap-sync.cron.j2
+++ b/redmine/templates/redmine-ldap-sync.cron.j2
@@ -1 +1 @@
-*/30 * * * *	{{ redmine_user }}	rake -f {{ redmine_glob_root_dir }}/{{ redmine_inst_dir }}/Rakefile --silent redmine:plugins:ldap_sync:sync_users RAILS_ENV=production >{{ redmine_glob_root_dir }}/{{ redmine_inst_dir }}/log/redmine-ldap-sync.log 2>&1
+*/{{ redmine_ldap_sync_freq }} * * * *	{{ redmine_user }}	rake -f {{ redmine_glob_root_dir }}/{{ redmine_inst_dir }}/Rakefile --silent redmine:plugins:ldap_sync:sync_users RAILS_ENV=production >{{ redmine_glob_root_dir }}/{{ redmine_inst_dir }}/log/redmine-ldap-sync.log 2>&1