diff --git a/manifests/database/mysql.pp b/manifests/database/mysql.pp
index 1fa9f9e82..46a1e0f00 100644
--- a/manifests/database/mysql.pp
+++ b/manifests/database/mysql.pp
@@ -28,9 +28,9 @@
   assert_private()
 
   #
-  # Adjustments for version 3.0 - structure of package with sqls differs from previous versions
+  # Adjustments for version 3.0/4.0 - structure of package with sqls differs from previous versions
   case $zabbix_version {
-    /^3.\d+$/: {
+    /^(3|4).\d+$/: {
       if ($database_schema_path == false) or ($database_schema_path == '') {
         $schema_path   = '/usr/share/doc/zabbix-*-mysql*'
       }
diff --git a/manifests/database/postgresql.pp b/manifests/database/postgresql.pp
index def215512..5ccdc91da 100644
--- a/manifests/database/postgresql.pp
+++ b/manifests/database/postgresql.pp
@@ -29,9 +29,9 @@
   assert_private()
 
   #
-  # Adjustments for version 3.0 - structure of package with sqls differs from previous versions
+  # Adjustments for version 3.0/4.0 - structure of package with sqls differs from previous versions
   case $zabbix_version {
-    /^3.\d+$/: {
+    /^(3|4).\d+$/: {
       if ($database_schema_path == false) or ($database_schema_path == '') {
         case $facts['os']['name'] {
           'CentOS', 'RedHat', 'OracleLinux': {
diff --git a/manifests/userparameters.pp b/manifests/userparameters.pp
index 591b010fc..6906143da 100644
--- a/manifests/userparameters.pp
+++ b/manifests/userparameters.pp
@@ -28,6 +28,10 @@
 #   When 'script' is used, this parameter can provide the directly where this script needs to
 #   be placed. Default: '/usr/bin'
 #
+# [*config_mode*]
+#   When 'config_mode' is used, this parameter can provide the mode of the config file who will be created 
+#   to keep some credidentials private. Default: '0644'
+#
 # === Example
 #
 #  zabbix::userparameters { 'mysql':
@@ -59,6 +63,7 @@
   $script_ext = '',
   $template   = '',
   $script_dir = '/usr/bin',
+  $config_mode = '0644',
 ) {
   $include_dir          = getvar('::zabbix::agent::include_dir')
   $zabbix_package_agent = getvar('::zabbix::agent::zabbix_package_agent')
@@ -70,7 +75,7 @@
       ensure  => present,
       owner   => $agent_config_owner,
       group   => $agent_config_group,
-      mode    => '0644',
+      mode    => $config_mode,
       source  => $source,
       notify  => Service['zabbix-agent'],
       require => Package[$zabbix_package_agent],
@@ -82,7 +87,7 @@
       ensure  => present,
       owner   => $agent_config_owner,
       group   => $agent_config_group,
-      mode    => '0644',
+      mode    => $config_mode,
       content => $content,
       notify  => Service['zabbix-agent'],
       require => Package[$zabbix_package_agent],
diff --git a/spec/acceptance/agent_spec.rb b/spec/acceptance/agent_spec.rb
index 769cee531..ffe00d9d3 100644
--- a/spec/acceptance/agent_spec.rb
+++ b/spec/acceptance/agent_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper_acceptance'
 
-['2.4', '3.2', '3.4'].each do |version|
+['2.4', '3.2', '3.4', '4.0'].each do |version|
   if version == '2.4' && default[:platform] =~ %r{(ubuntu-16.04-amd64|debian-8-amd64)}
     next
   end