Index: trunk/Nebulous-Server/lib/Nebulous/Server/Config.pm
===================================================================
--- trunk/Nebulous-Server/lib/Nebulous/Server/Config.pm	(revision 24995)
+++ trunk/Nebulous-Server/lib/Nebulous/Server/Config.pm	(revision 25010)
@@ -13,5 +13,5 @@
 
 use Log::Log4perl qw( :levels );
-use Params::Validate qw( validate validate_pos SCALAR ARRAYREF );
+use Params::Validate qw( validate validate_pos SCALAR ARRAYREF UNDEF );
 
 our %LEVELS = (
@@ -32,5 +32,5 @@
     dsn         => { type => SCALAR },
     dbuser      => { type => SCALAR },
-    dbpasswd    => { type => SCALAR },
+    dbpasswd    => { type => SCALAR | UNDEF },
 };
 
@@ -48,5 +48,5 @@
     dsn                 => { type => SCALAR, optional => 1 },
     dbuser              => { type => SCALAR, optional => 1 },
-    dbpasswd            => { type => SCALAR, optional => 1 },
+    dbpasswd            => { type => SCALAR | UNDEF, optional => 1 },
     memcached_servers   => { type => ARRAYREF, optional => 1 },
 };