Index: /trunk/ippScripts/scripts/ipp_serial_diff.pl
===================================================================
--- /trunk/ippScripts/scripts/ipp_serial_diff.pl	(revision 21019)
+++ /trunk/ippScripts/scripts/ipp_serial_diff.pl	(revision 21020)
@@ -76,5 +76,5 @@
 	$ipprc->outroot_prepare( $outroot );
 
-	my $command = "$diff_skycell --diff_id $diff_id --dbname $dbname --outroot $outroot";
+	my $command = "$diff_skycell --diff_id $diff_id --skycell_id $skycell_id --dbname $dbname --outroot $outroot";
 	$command .= " --verbose" if defined $verbose;
 	$command .= " --no-op" if defined $no_op;