Index: /trunk/ippTasks/warp.pro
===================================================================
--- /trunk/ippTasks/warp.pro	(revision 24505)
+++ /trunk/ippTasks/warp.pro	(revision 24506)
@@ -307,5 +307,4 @@
     end
 
-
     # set the host and workdir based on the skycell hash
     set.host.for.skycell $SKYCELL_ID
@@ -318,5 +317,8 @@
     stderr $LOGDIR/warp.skycell.log
 
-    $run = warp_skycell.pl --threads @MAX_THREADS@ --warp_id $WARP_ID --warp_skyfile_id $WARP_SKYFILE_ID --skycell_id $SKYCELL_ID --tess_dir $TESS_DIR --reduction $REDUCTION --camera $CAMERA --outroot $outroot --redirect-output --run-state $RUN_STATE $MAGICKED_ARG
+    $run = warp_skycell.pl --threads @MAX_THREADS@ --warp_id $WARP_ID --warp_skyfile_id $WARP_SKYFILE_ID --skycell_id $SKYCELL_ID --tess_dir $TESS_DIR --camera $CAMERA --outroot $outroot --redirect-output --run-state $RUN_STATE $MAGICKED_ARG
+    if ("$REDUCTION" != "NULL")
+      $run = $run --reduction $REDUCTION
+    end
     add_standard_args run