--- loncom/interface/lonnavmaps.pm	2016/07/18 19:28:57	1.522
+++ loncom/interface/lonnavmaps.pm	2016/09/01 19:31:05	1.523
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.522 2016/07/18 19:28:57 raeburn Exp $
+# $Id: lonnavmaps.pm,v 1.523 2016/09/01 19:31:05 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4152,6 +4152,7 @@ sub enclosing_map_src {
 }
 sub symb {
     my $self=shift;
+    if (defined $self->{SYMB}) { return $self->{SYMB}; }
     (my $first, my $second) = $self->{ID} =~ /(\d+).(\d+)/;
     my $symbSrc = &Apache::lonnet::declutter($self->src());
     my $symb = &Apache::lonnet::declutter($self->navHash('map_id_'.$first))