--- toast	2004/10/04 05:16:04	1.354
+++ toast	2004/10/11 06:21:36	1.355
@@ -3662,8 +3662,8 @@
   $build && error;
 
   ($name, $version) = get(@_) if !isstored($name, $version);
-  $name || error;
-  $version || error;
+  defined($name) || error;
+  defined($version) || error;
 
   clean($name, $version) if autoclean;