Index: /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/Job.pm
===================================================================
--- /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/Job.pm	(revision 34228)
+++ /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/Job.pm	(revision 34229)
@@ -345,5 +345,5 @@
         die "tess_id and component are required for byskycell" if !$tess_id or ! $skycell_id;
         $command .= " -tess_id $tess_id -skycell_id $skycell_id";
-        if ($stage eq 'warp') {
+        if ($stage ne 'stack') {
             $filter_runs = 1;
         }