--- loncom/interface/coursecatalog.pm	2010/12/20 22:56:56	1.66
+++ loncom/interface/coursecatalog.pm	2011/01/25 02:49:42	1.67
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.66 2010/12/20 22:56:56 raeburn Exp $
+# $Id: coursecatalog.pm,v 1.67 2011/01/25 02:49:42 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -799,8 +799,8 @@ 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);
                 }
             }