--- loncom/interface/lonparmset.pm	2006/12/14 20:04:11	1.352
+++ loncom/interface/lonparmset.pm	2006/12/14 20:05:52	1.353
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.352 2006/12/14 20:04:11 albertel Exp $
+# $Id: lonparmset.pm,v 1.353 2006/12/14 20:05:52 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -273,9 +273,7 @@ sub resetrulescache {
 sub rulescache {
     my $id=shift;
     if ($rulesid ne $env{'request.course.id'}) {
-	%rules=();
-    }
-    unless (defined($rules{$id})) {
+	&& !defined($rules{$id})) {
 	my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 	my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 	%rules=&Apache::lonnet::dump('parmdefactions',$dom,$crs);