--- loncom/lonnet/perl/lonnet.pm	2004/01/13 16:33:37	1.462
+++ loncom/lonnet/perl/lonnet.pm	2004/01/15 19:41:00	1.463
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.462 2004/01/13 16:33:37 albertel Exp $
+# $Id: lonnet.pm,v 1.463 2004/01/15 19:41:00 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3822,7 +3822,9 @@ sub packages_tab_default {
     foreach my $package (split(/,/,$packages)) {
 	my ($pack_type,$pack_part)=split(/_/,$package,2);
 	if ($pack_part eq $part) {
-	    return $packagetab{"$pack_type&$name&default"};
+	    if (defined($packagetab{"$pack_type&$name&default"})) {
+		return $packagetab{"$pack_type&$name&default"};
+	    }
 	}
     }
     return undef;