--- loncom/interface/coursecatalog.pm	2010/12/22 04:14:09	1.58.4.6
+++ loncom/interface/coursecatalog.pm	2011/01/25 09:46:43	1.58.4.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.58.4.6 2010/12/22 04:14:09 raeburn Exp $
+# $Id: coursecatalog.pm,v 1.58.4.7 2011/01/25 09:46:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -805,8 +805,8 @@ sub build_courseinfo_hash {
             $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
             $categories = $courses->{$course}{'categories'};
             push(@owners,$singleowner);
-            if (ref($courses->{$course}{'co-owners'}) eq 'ARRAY') {
-                foreach my $item (@{$courses->{$course}{'co-owners'}}) {
+            if ($courses->{$course}{'co-owners'} ne '') {
+                foreach my $item (split(/,/,$courses->{$course}{'co-owners'})) {
                     push(@owners,$item);
                 }
             }