diff --git a/software/erp5/instance-mariadb-input-schema.json b/software/erp5/instance-mariadb-input-schema.json
index e12fe27457eadf0850a447a719d2daf8d71a04ab..1fedc04f4500f952bf0072bed7ba756f161eec0e 100644
--- a/software/erp5/instance-mariadb-input-schema.json
+++ b/software/erp5/instance-mariadb-input-schema.json
@@ -40,7 +40,7 @@
     },
     "test-database-amount": {
       "description": "The number of test databases to create, adding auto-generated entries to database-list",
-      "default": 0,
+      "default": 30,
       "minimum": 0,
       "type": "integer"
     },
diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index 655b0e78878c42223c12ff3d8f0d7b2d0572e7d8..448663fe4404951ed4cdaa6c599e6e590f8d9ad3 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -181,7 +181,7 @@ context =
 [template-mariadb]
 < = download-base
 filename = instance-mariadb.cfg.in
-md5sum = e83edd4375d4cc22387ad30e5012cbb4
+md5sum = 4d88686ec012f3eb068b9777e08e55ba
 link-binary =
   ${coreutils:location}/bin/basename
   ${coreutils:location}/bin/cat
diff --git a/stack/erp5/instance-mariadb.cfg.in b/stack/erp5/instance-mariadb.cfg.in
index 07aab369c0adaedc0210690e01f3ed528ecdbeb0..833c6a811e0c1b9bf688c872c3bc650b3a83f0f7 100644
--- a/stack/erp5/instance-mariadb.cfg.in
+++ b/stack/erp5/instance-mariadb.cfg.in
@@ -4,7 +4,7 @@
 {% set use_ipv6 = slapparameter_dict.get('use-ipv6', False) -%}
 {% set database_list = slapparameter_dict.get('database-list', [{'name': 'erp5', 'user': 'user', 'password': 'insecure'}]) -%}
 {% set test_database_list = [] %}
-{% for database_count in range(slapparameter_dict.get('test-database-amount', 0)) -%}
+{% for database_count in range(slapparameter_dict.get('test-database-amount', 30)) -%}
 {%   do test_database_list.append({'name': 'erp5_test_' ~ database_count, 'user': 'testuser_' ~ database_count, 'password': 'testpassword' ~ database_count}) -%}
 {% endfor -%}
 {% set catalog_backup = slapparameter_dict.get('catalog-backup', {}) -%}