diff --git a/lib/Brass/Config/Pwd.pm b/lib/Brass/Config/Pwd.pm
index ee7dcd2..f39d9c3 100644
--- a/lib/Brass/Config/Pwd.pm
+++ b/lib/Brass/Config/Pwd.pm
@@ -266,6 +266,7 @@ has servertypes => (
 
 sub _build_servertypes
 {   my $self = shift;
+    return [] if !$self->_rset;
     [map $_->servertype_id, $self->_rset->pw_servertypes];
 }