Index: /trunk/ippTools/src/dettool.c
===================================================================
--- /trunk/ippTools/src/dettool.c	(revision 12119)
+++ /trunk/ippTools/src/dettool.c	(revision 12120)
@@ -5388,4 +5388,12 @@
         return false;
     }
+    if (!isnan(bg_mean_stdev)) {
+        if (!psMetadataAddF64(set, PS_LIST_TAIL, "bg_mean_stdev", 0, "==", bg_mean_stdev)) {
+            psError(PS_ERR_UNKNOWN, false, "failed to add item bg_mean_stdev");
+            psFree(set);
+            psFree(where);
+            return false;
+        }
+    }
 
     psString path_base = psMetadataLookupStr(&status, config->args, "-path_base");