diff --git a/manifests/init.pp b/manifests/init.pp
index c030494..f7a724a 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -47,7 +47,7 @@ class etherpad_lite (
     require  => [
         Package['git'],
         File["${base_install_dir}"],
-      ],
+    ],
   }
 
   package { [
diff --git a/manifests/mysql.pp b/manifests/mysql.pp
index 797e4a0..92138d6 100644
--- a/manifests/mysql.pp
+++ b/manifests/mysql.pp
@@ -1,7 +1,7 @@
 # == Class: etherpad_lite::mysql
 #
 class etherpad_lite::mysql(
-  $database_password,
+  $database_password = '',
   $dbType = 'mysql',
   $database_user = 'eplite',
   $database_name = 'etherpad-lite'
diff --git a/manifests/site.pp b/manifests/site.pp
index ad092b4..f2f47c1 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -1,7 +1,7 @@
 # == Class: etherpad_lite::site
 #
 class etherpad_lite::site (
-  $database_password,
+  $database_password = '',
   $dbType = 'mysql',
   $database_user = 'eplite',
   $database_name = 'etherpad-lite'