diff --git a/ansible/roles/common/templates/conf/input/02-mariadb.conf.j2 b/ansible/roles/common/templates/conf/input/02-mariadb.conf.j2
index 44d9484b27..11152b71bd 100644
--- a/ansible/roles/common/templates/conf/input/02-mariadb.conf.j2
+++ b/ansible/roles/common/templates/conf/input/02-mariadb.conf.j2
@@ -20,7 +20,7 @@
   format1 /^(?<Timestamp>\S+) (?<Payload>.*)?$/
   time_key Timestamp
   keep_time_key true
-  time_format %y/%-m/%-d@%T
+  time_format %y/%m/%d@%T
   ignore_repeated_permission_error true
   enable_watch_timer false
 </source>