Index: /branches/pap_branch_080320/ippScripts/scripts/detrend_stack.pl
===================================================================
--- /branches/pap_branch_080320/ippScripts/scripts/detrend_stack.pl	(revision 17163)
+++ /branches/pap_branch_080320/ippScripts/scripts/detrend_stack.pl	(revision 17164)
@@ -82,5 +82,5 @@
 
 # The output file rule name depends on the detrend type
-my %FILERULES = { 'FLATMASK' => 'PPMERGE.OUTPUT.MASK',
+my $FILERULES = { 'FLATMASK' => 'PPMERGE.OUTPUT.MASK',
 		  'DARKMASK' => 'PPMERGE.OUTPUT.MASK',
 		  'MASK'     => 'PPMERGE.OUTPUT.MASK',
