diff --git a/manifests/init.pp b/manifests/init.pp
index 6a9948b..4d0a11b 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -15,6 +15,9 @@ class mediawiki(
   $wg_recaptchapublickey      = undef,
   $wg_recaptchaprivatekey     = undef,
   $wg_googleanalyticsaccount  = undef,
+  $wg_dbserver                = 'localhost',
+  $wg_dbname                  = 'openstack_wiki',
+  $wg_dbuser                  = 'wikiuser',
   $wg_dbpassword              = undef,
   $wg_secretkey               = undef,
   $wg_upgradekey              = undef,
diff --git a/templates/Settings.php.erb b/templates/Settings.php.erb
index 47e8586..a1b0304 100644
--- a/templates/Settings.php.erb
+++ b/templates/Settings.php.erb
@@ -39,9 +39,9 @@ $wgEmailAuthentication = true;
 
 ## Database settings
 $wgDBtype           = "mysql";
-$wgDBserver         = "localhost";
-$wgDBname           = "openstack_wiki";
-$wgDBuser           = "wikiuser";
+$wgDBserver         = "<%= @wg_dbserver %>";
+$wgDBname           = "<%= @wg_dbname %>";
+$wgDBuser           = "<%= @wg_dbuser %>";
 $wgDBpassword       = "<%= @wg_dbpassword %>";
 
 # MySQL specific settings