diff --git a/src/cwtest/cfg/flow_proc_dict.cfg b/src/cwtest/cfg/flow_proc_dict.cfg
index e1b5b11..a967e83 100644
--- a/src/cwtest/cfg/flow_proc_dict.cfg
+++ b/src/cwtest/cfg/flow_proc_dict.cfg
@@ -214,7 +214,8 @@
       spec_dist: {
         vars: {
           in:       { type:spectrum, srcFl:true, doc:"Spectrum input." },
-          
+
+	  bypass:   { type:bool, value: false, doc:"Copy input to output without transform."},
           ceiling:  { type:real, value: 30.0, doc:"Ceiling parameter."},
           expo:     { type:real, value:  2.0, doc:"Exponent parameter."},
           thresh:   { type:real, value: 54.0, doc:"Threshold parameter."},