--- loncom/interface/domainprefs.pm	2014/01/03 20:42:51	1.160.6.32
+++ loncom/interface/domainprefs.pm	2014/01/06 14:08:31	1.160.6.33
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.32 2014/01/03 20:42:51 raeburn Exp $
+# $Id: domainprefs.pm,v 1.160.6.33 2014/01/06 14:08:31 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -404,7 +404,7 @@ sub handler {
     if ($phase eq 'process') {
         my $result = &Apache::lonconfigsettings::make_changes($r,$dom,$phase,$context,\@prefs_order,
                                                               \%prefs,\%domconfig,$confname,\@roles);
-        if (ref($result) eq 'HASH') {
+        if ((ref($result) eq 'HASH') && (keys(%{$result}))) {
             $r->rflush();
             &devalidate_remote_domconfs($dom,$result);
         }
@@ -9280,7 +9280,7 @@ sub active_dc_picker {
             if ($user ne $dcname.':'.$dcdom) {
                 $table .=  ' ('.$dcname.':'.$dcdom.')';
             }
-            $table .= '</label></span></td>'; 
+            $table .= '</label></span></td>';
         }
         $table .= '</tr></table>';
     } elsif ($numdcs == 1) {