--- loncom/interface/lonparmset.pm	2005/11/11 23:07:27	1.265
+++ loncom/interface/lonparmset.pm	2005/11/14 14:01:52	1.266
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.265 2005/11/11 23:07:27 banghart Exp $
+# $Id: lonparmset.pm,v 1.266 2005/11/14 14:01:52 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -316,6 +316,8 @@ sub storeparm_by_symb {
 # store parameter
     &storeparm_by_symb_inner
 	($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec);
+# don't do anything if parameter was reset
+    unless ($nval) { return; }
     my ($prefix,$parm)=($spnam=~/^(.*[\_\.])([^\_\.]+)$/);
 # remember that this was set
     $recstack{$parm}=1;