Index: /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/Job.pm
===================================================================
--- /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/Job.pm	(revision 35619)
+++ /trunk/PS-IPP-PStamp/lib/PS/IPP/PStamp/Job.pm	(revision 35620)
@@ -574,6 +574,6 @@
         $command .= " -dateobs_end $dateobs_end" if $dateobs_end;
     } elsif ($req_type ne "byid") {
-        $command .= " -mjd_min $mjd_min" if $mjd_min;
-        $command .= " -mjd_max $mjd_max" if $mjd_max;
+        $command .= " -mjd_obs_begin $mjd_min" if $mjd_min;
+        $command .= " -mjd_obs_end $mjd_max" if $mjd_max;
     }