Index: trunk/ippScripts/scripts/detrend_process_imfile.pl
===================================================================
--- trunk/ippScripts/scripts/detrend_process_imfile.pl	(revision 11829)
+++ trunk/ippScripts/scripts/detrend_process_imfile.pl	(revision 11830)
@@ -144,11 +144,11 @@
 	"-class_id $class_id -recip $recipe -uri $outputImage -b1_uri $outputRoot";  # Command to run dettool
     $command .= " -bg " . $stats->bg_mean();
-    if (defined($stats->bg_stdev())) {
-	$command .= " -bg_stdev " . $stats->bg_stdev();
+    if (defined($stats->bg_mean_stdev())) {
+	$command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
     } else {
 	# May be undefined if there's only a single imfile
-	$command .= " -bg_stdev 0";
+	$command .= " -bg_mean_stdev 0";
     }
-    $command .= " -bg_mean_stdev " . $stats->bg_mean_stdev();
+    $command .= " -bg_stdev " . $stats->bg_stdev();
     $command .= " -dbname $dbname" if defined $dbname;