diff --git a/roles/piwik/tasks/main.yml b/roles/piwik/tasks/main.yml
index ba05cecfa8..ce456859e3 100644
--- a/roles/piwik/tasks/main.yml
+++ b/roles/piwik/tasks/main.yml
@@ -36,4 +36,4 @@
   file: path=/srv/dbdump state=directory
 
 - name: database dump cron
-  cron: name=dbdump special_time=daily job="mysqldump --skip-extended-insert piwik | gzip -9 > /srv/dbdump/piwik.sql.gz"
+  cron: name=dbdump special_time=daily job="mysqldump --skip-extended-insert --single-transaction piwik | gzip > /srv/dbdump/piwik.sql.gz"