diff --git a/defaults/main.yml b/defaults/main.yml
index 230f2c7..0a54a07 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -25,6 +25,7 @@ ckan_plugins_state: present
 ckan_git_plugins_state: 'no'
 # Order is important
 ckan_geonetwork_harvester: False
+ckan_gn_harvester_track_cron_day: '*'
 ckan_geoview: False
 ckan_dcat: False
 # dcat implement harvesters too.
diff --git a/tasks/ckan-plugins.yml b/tasks/ckan-plugins.yml
index ba178a3..5049bc7 100644
--- a/tasks/ckan-plugins.yml
+++ b/tasks/ckan-plugins.yml
@@ -101,12 +101,18 @@
     - name: Install the script that updates the tracking data
       template: src=tracker_update.sh.j2 dest={{ ckan_virtenv }}/bin/tracker_update owner={{ ckan_shell_user }} group={{ ckan_shell_user }} mode=0555
       when: ckan_geonetwork_harvester | bool
-      tags: [ 'ckan', 'ckan_geonetwork', 'ckan_plugins', 'tracker' ]
+      tags: ['ckan', 'ckan_geonetwork', 'ckan_plugins', 'tracker', 'ckan_tracker']
 
     - name: Install the cron job that runs the tracker update script
-      cron: name="tracker update" minute="0" hour="3" job="{{ ckan_virtenv }}/bin/tracker_update > {{ ckan_logdir }}/tracker_update.log 2>&1" user={{ ckan_shell_user }}
+      cron:
+        name: "tracker update"
+        minute: "0"
+        hour: "3"
+        day: '{{ ckan_gn_harvester_track_cron_day }}'
+        job: "{{ ckan_virtenv }}/bin/tracker_update > {{ ckan_logdir }}/tracker_update.log 2>&1"
+        user: '{{ ckan_shell_user }}'
       when: ckan_geonetwork_harvester | bool
-      tags: [ 'ckan', 'ckan_geonetwork', 'ckan_plugins', 'tracker' ]
+      tags: ['ckan', 'ckan_geonetwork', 'ckan_plugins', 'tracker', 'ckan_tracker']
 
     - name: Download the CKAN PDF viewer plugin
       pip: name='{{ ckan_ckanext_pdfview_url }}' virtualenv={{ ckan_virtenv }} state=present