Index: trunk/ippScripts/scripts/detrend_stack.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_stack.pl	(revision 8360)
+++ trunk/ippScripts/scripts/detrend_stack.pl	(revision 8503)
@@ -57,5 +57,5 @@
 my $output = $detType . '_' . $classId . '_' . $detId . '_' . $iter; # Output name
 {
-    my $command = "ppMerge $output"; # Command to run
+    my $command = "$ppMerge $output"; # Command to run
     foreach my $file (@$files) {
 	my $uri = $file->{uri};	# URI for input file