Index: trunk/ippTasks/diff.pro
===================================================================
--- trunk/ippTasks/diff.pro	(revision 20973)
+++ trunk/ippTasks/diff.pro	(revision 21312)
@@ -157,5 +157,5 @@
     stderr $LOGDIR/diff.skycell.log
 
-    $run = diff_skycell.pl --threads @MAX_THREADS@ --diff_id $DIFF_ID --skycell_id $SKYCELL_ID --outroot $outroot --redirect-output
+    $run = diff_skycell.pl --threads @MAX_THREADS@ --diff_id $DIFF_ID --skycell_id $SKYCELL_ID --diff_skyfile_id $DIFF_SKYFILE_ID --outroot $outroot --redirect-output
     add_standard_args run