Index: trunk/ippTasks/diff.pro
===================================================================
--- trunk/ippTasks/diff.pro	(revision 12370)
+++ trunk/ippTasks/diff.pro	(revision 12371)
@@ -154,5 +154,5 @@
     $run = diff_skycell.pl --diff_id $DIFF_ID $ARGS
     if ("$WORKDIR" != "NULL")
-      $run = $run --workdir $outroot
+      $run = $run --workdir $WORKDIR
     end