diff --git a/xCAT-server/lib/xcat/plugins/esx.pm b/xCAT-server/lib/xcat/plugins/esx.pm
index ea7bf99a0..ff48566b7 100644
--- a/xCAT-server/lib/xcat/plugins/esx.pm
+++ b/xCAT-server/lib/xcat/plugins/esx.pm
@@ -4225,7 +4225,7 @@ sub copycd {
     if ($::XCATSITEVALS{osimagerequired}){
           my $haveimages=xCAT::SvrUtils->update_tables_with_templates($distname, $arch,"","",checkonly=>1);
           unless ($haveimages) { 
-               $callback->({error => "No Templates found to support $distname($arch)"});
+               $output_handler->({error => "No Templates found to support $distname($arch)"});
           }
     }